欧宝体育

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2013年30卷7期

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前植物生产层
放牧强度对昭苏草甸草原土壤有机质及速效养分的影响
孙宗玖, 朱进忠, 张鲜花, 郑伟, 靳瑰丽, 古伟容
2013, 7(7): 987-993.
[摘要](1493) [PDF 891KB](667)
摘要:
采用(yong)小(xiao)区(qu)控制放(fang)(fang)(fang)牧(mu)试验,在伊犁昭苏草甸草原上研(yan)究了短期(qi)放(fang)(fang)(fang)牧(mu)条(tiao)件下轻度(du)(du)、中度(du)(du)和重度(du)(du)放(fang)(fang)(fang)牧(mu)对草地(di)土(tu)(tu)壤(rang)有机(ji)(ji)质(zhi)、土(tu)(tu)壤(rang)碱(jian)(jian)解氮、土(tu)(tu)壤(rang)速(su)效(xiao)(xiao)磷及(ji)(ji)土(tu)(tu)壤(rang)速(su)效(xiao)(xiao)钾的(de)(de)影响。结果(guo)表(biao)明,随放(fang)(fang)(fang)牧(mu)强(qiang)度(du)(du)的(de)(de)增加,草地(di)地(di)上生物量(liang)呈(cheng)降低趋势,但各放(fang)(fang)(fang)牧(mu)强(qiang)度(du)(du)间差(cha)(cha)异不(bu)显著(zhu)(P0.05);同一年(nian)度(du)(du)放(fang)(fang)(fang)牧(mu)强(qiang)度(du)(du)间0~10、10~20和20~30 cm土(tu)(tu)层土(tu)(tu)壤(rang)有机(ji)(ji)质(zhi)、碱(jian)(jian)解氮、速(su)效(xiao)(xiao)磷及(ji)(ji)速(su)效(xiao)(xiao)钾含(han)量(liang)差(cha)(cha)异不(bu)显著(zhu),但与放(fang)(fang)(fang)牧(mu)前比(bi),放(fang)(fang)(fang)牧(mu)后0~30 cm土(tu)(tu)层养分含(han)量(liang)增减趋势并不(bu)一致,体(ti)现出年(nian)度(du)(du)间的(de)(de)差(cha)(cha)异性(xing);相关(guan)(guan)分析表(biao)明,0~30 cm土(tu)(tu)层土(tu)(tu)壤(rang)有机(ji)(ji)质(zhi)、碱(jian)(jian)解氮、速(su)效(xiao)(xiao)磷及(ji)(ji)速(su)效(xiao)(xiao)钾与放(fang)(fang)(fang)牧(mu)强(qiang)度(du)(du)间均(jun)无显著(zhu)相关(guan)(guan)性(xing),且(qie)随着放(fang)(fang)(fang)牧(mu)强(qiang)度(du)(du)的(de)(de)增加,其响应(ying)规律存在一定(ding)差(cha)(cha)异性(xing);无论(lun)放(fang)(fang)(fang)牧(mu)与否,土(tu)(tu)壤(rang)有机(ji)(ji)质(zhi)、碱(jian)(jian)解氮、速(su)效(xiao)(xiao)磷及(ji)(ji)速(su)效(xiao)(xiao)钾含(han)量(liang)均(jun)随土(tu)(tu)层深度(du)(du)的(de)(de)增加呈(cheng)降低趋势。
不同年龄紫穗槐对沙化土壤的改良效应
卢 鑫, 周向睿, 杜明新, 周志宇, 陶晓慧, 赵 萍, 李金辉, 金 茜, 周媛媛
2013, 7(7): 994-1001.
[摘要](1434) [PDF 471KB](381)
摘要:
以毛(mao)乌素沙(sha)(sha)地(di)(di)南缘沙(sha)(sha)化(hua)地(di)(di)不同(tong)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)的(de)(de)(de)紫(zi)(zi)穗槐(Amorpha fruticosa)为研(yan)究对(dui)象,探讨了不同(tong)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)紫(zi)(zi)穗槐对(dui)沙(sha)(sha)地(di)(di)的(de)(de)(de)恢复效(xiao)应。分析了紫(zi)(zi)穗槐灌(guan)丛土(tu)壤(rang)(rang)(rang)的(de)(de)(de)机械组成、养分含(han)(han)量(liang)以及不同(tong)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)紫(zi)(zi)穗槐土(tu)壤(rang)(rang)(rang)养分与沙(sha)(sha)尘粒(li)(li)之间的(de)(de)(de)相关性(xing)。结果显示,紫(zi)(zi)穗槐灌(guan)丛的(de)(de)(de)土(tu)壤(rang)(rang)(rang)细(xi)化(hua)程(cheng)度随(sui)着(zhe)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)的(de)(de)(de)增(zeng)(zeng)加(jia)逐渐增(zeng)(zeng)大,表层(0~10 cm)土(tu)壤(rang)(rang)(rang)的(de)(de)(de)细(xi)化(hua)程(cheng)度为1951年(nian)(nian)(nian)(nian)(nian)1976年(nian)(nian)(nian)(nian)(nian)1983年(nian)(nian)(nian)(nian)(nian)2005年(nian)(nian)(nian)(nian)(nian), 1951年(nian)(nian)(nian)(nian)(nian)种(zhong)(zhong)(zhong)植(zhi)(zhi)的(de)(de)(de)紫(zi)(zi)穗槐的(de)(de)(de)沙(sha)(sha)尘粒(li)(li)含(han)(han)量(liang)达到了4.3%;各种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)份紫(zi)(zi)穗槐土(tu)壤(rang)(rang)(rang)垂直剖(pou)面pH值自下而上逐渐降低,表层土(tu)壤(rang)(rang)(rang)(0~10 cm)pH值最低,同(tong)土(tu)层不同(tong)年(nian)(nian)(nian)(nian)(nian)份紫(zi)(zi)穗槐灌(guan)丛土(tu)壤(rang)(rang)(rang)pH值基本随(sui)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)延(yan)长而降低;0~20 cm土(tu)层中(zhong)养分含(han)(han)量(liang)(除全(quan)钾和(he)铵态氮(dan))均(jun)出(chu)现了不同(tong)程(cheng)度的(de)(de)(de)增(zeng)(zeng)加(jia),有机碳(tan)、全(quan)氮(dan)、硝态氮(dan)、全(quan)磷和(he)速效(xiao)磷等含(han)(han)量(liang)均(jun)随(sui)着(zhe)种(zhong)(zhong)(zhong)植(zhi)(zhi)年(nian)(nian)(nian)(nian)(nian)限(xian)的(de)(de)(de)增(zeng)(zeng)加(jia)而增(zeng)(zeng)加(jia),铵态氮(dan)和(he)全(quan)钾含(han)(han)量(liang)则无明显规律(lv)。
高黎贡山土壤微生物类群动态特征
张俊忠, 张成霞, 刘 丽, 张东华
2013, 7(7): 1002-1006.
[摘要](1451) [PDF 383KB](495)
摘要:
采集高(gao)黎(li)贡山国家自(zi)然保护区不(bu)同(tong)海(hai)(hai)拔及(ji)植被(bei)类(lei)型(xing)下0~20和20~40 cm土(tu)(tu)层(ceng)的(de)土(tu)(tu)壤(rang)样品,采用微(wei)生(sheng)物(wu)常规分(fen)析法测定土(tu)(tu)壤(rang)中氨(an)化细(xi)菌(jun)(jun)(jun)、芽孢杆(gan)菌(jun)(jun)(jun)、硝(xiao)化细(xi)菌(jun)(jun)(jun)、反(fan)硝(xiao)化细(xi)菌(jun)(jun)(jun)、好气性(xing)(xing)固(gu)(gu)氮菌(jun)(jun)(jun)、嫌(xian)气性(xing)(xing)固(gu)(gu)氮菌(jun)(jun)(jun)、好气性(xing)(xing)纤维素降解(jie)菌(jun)(jun)(jun)、嫌(xian)气性(xing)(xing)纤维素降解(jie)菌(jun)(jun)(jun)和溶磷(lin)菌(jun)(jun)(jun)的(de)数量,分(fen)析了不(bu)同(tong)海(hai)(hai)拔及(ji)植被(bei)类(lei)型(xing)下土(tu)(tu)壤(rang)微(wei)生(sheng)物(wu)类(lei)群(qun)数量的(de)分(fen)布特征。结果表(biao)明,随海(hai)(hai)拔的(de)升高(gao),土(tu)(tu)壤(rang)微(wei)生(sheng)物(wu)类(lei)群(qun)的(de)总(zong)数量呈(cheng)单峰(feng)变化趋势;各土(tu)(tu)壤(rang)微(wei)生(sheng)物(wu)类(lei)群(qun)数量总(zong)体表(biao)现为氨(an)化细(xi)菌(jun)(jun)(jun)芽孢杆(gan)菌(jun)(jun)(jun)反(fan)硝(xiao)化细(xi)菌(jun)(jun)(jun)好气性(xing)(xing)固(gu)(gu)氮菌(jun)(jun)(jun)硝(xiao)化细(xi)菌(jun)(jun)(jun)嫌(xian)气性(xing)(xing)固(gu)(gu)氮菌(jun)(jun)(jun)溶磷(lin)菌(jun)(jun)(jun)好气性(xing)(xing)纤维素降解(jie)菌(jun)(jun)(jun)嫌(xian)气纤维素降解(jie)菌(jun)(jun)(jun)的(de)分(fen)布特点;不(bu)同(tong)植被(bei)类(lei)型(xing)土(tu)(tu)壤(rang)中,微(wei)生(sheng)物(wu)类(lei)群(qun)总(zong)数不(bu)同(tong),表(biao)现为阔叶(ye)林针阔混交林稀疏灌丛咖(ka)啡地雪地。
践踏对坪用高羊茅和草地早熟禾生长的影响
奇 凤, 郑扬帆, 宋桂龙
2013, 7(7): 1007-1013.
[摘要](1532) [PDF 422KB](418)
摘要:
以(yi)高羊茅(mao)(Festuca arundinacea)和(he)草(cao)地早熟(shu)(shu)禾(Poa pratensis)为试验材料(liao),研(yan)究了不同践(jian)踏强度(du)(du)处理下两种草(cao)坪(ping)草(cao)的(de)(de)分蘖(nie)数(shu)、草(cao)坪(ping)质量(liang)、草(cao)坪(ping)色泽(ze)、土壤(rang)紧实度(du)(du)、地上生(sheng)(sheng)物量(liang)及地下根系分布状(zhuang)况指标的(de)(de)变(bian)化(hua)。结果表明(ming),轻(qing)度(du)(du)践(jian)踏处理可提高分蘖(nie)数(shu)、草(cao)坪(ping)质量(liang)、草(cao)坪(ping)色泽(ze)和(he)地上生(sheng)(sheng)物量(liang),从而提高草(cao)坪(ping)的(de)(de)坪(ping)用(yong)价(jia)值(zhi)。坪(ping)床(chuang)土壤(rang)紧实度(du)(du)随着践(jian)踏强度(du)(du)的(de)(de)增加而递增,且践(jian)踏能改变(bian)草(cao)地早熟(shu)(shu)禾0~5 cm和(he)高羊茅(mao)10~15 cm的(de)(de)根系分布。
生长调节剂对坪用多年生黑麦草生长特性的影响
蔡新赟, 邵秋雨, 张新新, 武瑞鑫
2013, 7(7): 1014-1018.
[摘要](1322) [PDF 389KB](576)
摘要:
通(tong)过盆栽试(shi)验(yan),研究了不(bu)同浓(nong)(nong)度(du)的(de)4种生(sheng)长(zhang)调节剂对(dui)多年(nian)生(sheng)黑(hei)麦草(cao)(cao)(cao)(Lolium perenne)株高、叶(ye)(ye)长(zhang)、叶(ye)(ye)宽、分蘖数及(ji)地上部植株鲜、干质(zhi)量的(de)影响。结果表明,多效(xiao)唑(zuo)和(he)矮必施对(dui)多年(nian)生(sheng)黑(hei)麦草(cao)(cao)(cao)株高、叶(ye)(ye)长(zhang)及(ji)地上部植株鲜、干质(zhi)量的(de)抑制作用显著,但浓(nong)(nong)度(du)过高会对(dui)草(cao)(cao)(cao)坪(ping)造(zao)成较大损伤。因此,建议(yi)选用浓(nong)(nong)度(du)为(wei)200 mgL-1的(de)多效(xiao)唑(zuo)和(he)375 mgL-1的(de)矮必施作为(wei)多年(nian)生(sheng)黑(hei)麦草(cao)(cao)(cao)的(de)化学修剪药剂。
近10年松嫩平原地表植被生长期的变化趋势
李晓东, 闫守刚
2013, 7(7): 1019-1023.
[摘要](1321) [PDF 570KB](396)
摘要:
基于(yu)1998-2008年每15 d的(de)SPOTNDVI数据集(ji),对松嫩(nen)平原(yuan)(yuan)地表(biao)(biao)(biao)植被的(de)生(sheng)(sheng)(sheng)长(zhang)状况进行(xing)建模分析,得到研究(jiu)区域地表(biao)(biao)(biao)植被生(sheng)(sheng)(sheng)长(zhang)期的(de)起始与终(zhong)止(zhi)日期以(yi)及生(sheng)(sheng)(sheng)长(zhang)期的(de)持续天数。趋势分析结果(guo)表(biao)(biao)(biao)明,1)松嫩(nen)平原(yuan)(yuan)地表(biao)(biao)(biao)植被生(sheng)(sheng)(sheng)长(zhang)初期10年体变化(hua)稳定(ding),局部地区有(you)初始提(ti)前趋势,数值为10 d以(yi)上;2)研究(jiu)区域内地表(biao)(biao)(biao)植被生(sheng)(sheng)(sheng)长(zhang)终(zhong)期10年间有(you)延(yan)后(hou)趋势,平均延(yan)后(hou)3 d左右;3)总体上,松嫩(nen)平原(yuan)(yuan)地表(biao)(biao)(biao)植被生(sheng)(sheng)(sheng)长(zhang)期稳定(ding),有(you)2~3 d的(de)变化(hua)幅度。
草人诗记
二十九病中听晨声
任继周
2013, 7(7): 1024-1024.
[摘要](1085) [PDF 207KB](1166)
摘要:
植物生产层
不同海拔梯度嵩草种子的萌发机制
褚希彤, 付娟娟, 孙永芳, 益西措姆, 苗彦军, 许岳飞, 呼天明
2013, 7(7): 1025-1030.
[摘要](1635) [PDF 522KB](406)
摘要:
用(yong)4种不(bu)同试(shi)剂(KNO3、H2SO4、NaOH和(he)温水)分(fen)别对(dui)(dui)西藏(zang)地区不(bu)同海(hai)拔梯度(du)下的(de)(de)5种嵩(song)(song)草[四川嵩(song)(song)草(Kobresia setchwanensis)、喜马拉(la)雅(ya)嵩(song)(song)草(K.royleana)、藏(zang)北(bei)嵩(song)(song)草(K.littledalei)、线叶嵩(song)(song)草(K.capillifolia)和(he)高(gao)山嵩(song)(song)草(K.pygmaea)]进行浸(jin)种处(chu)理(li),以(yi)(yi)研究嵩(song)(song)草的(de)(de)萌(meng)发(fa)(fa)(fa)(fa)特性(xing)。结(jie)果表明,4种不(bu)同试(shi)剂处(chu)理(li)均(jun)能显著影响(xiang)各种嵩(song)(song)草种子(zi)(zi)的(de)(de)发(fa)(fa)(fa)(fa)芽势、发(fa)(fa)(fa)(fa)芽率(lv)以(yi)(yi)及嵩(song)(song)草幼苗(miao)(miao)(miao)的(de)(de)苗(miao)(miao)(miao)长和(he)根(gen)长,且不(bu)同种子(zi)(zi)来源(yuan)对(dui)(dui)发(fa)(fa)(fa)(fa)芽势、发(fa)(fa)(fa)(fa)芽率(lv)的(de)(de)影响(xiang)较(jiao)大,而不(bu)同试(shi)剂处(chu)理(li)对(dui)(dui)幼苗(miao)(miao)(miao)苗(miao)(miao)(miao)长和(he)根(gen)长的(de)(de)影响(xiang)更大(P0.05)。40%的(de)(de)NaOH溶(rong)液浸(jin)种后,四川嵩(song)(song)草和(he)藏(zang)北(bei)嵩(song)(song)草发(fa)(fa)(fa)(fa)芽率(lv)分(fen)别达到98.00%和(he)73.33%,且后者(zhe)与对(dui)(dui)照差异显著(P0.05)。NaOH浸(jin)种是增加(jia)嵩(song)(song)草幼苗(miao)(miao)(miao)高(gao)度(du)的(de)(de)最(zui)优方法(fa),将5种嵩(song)(song)草幼苗(miao)(miao)(miao)高(gao)度(du)提高(gao)了13.0 mm以(yi)(yi)上,KNO3、H2SO4和(he)温水对(dui)(dui)5种西藏(zang)嵩(song)(song)草种子(zi)(zi)的(de)(de)发(fa)(fa)(fa)(fa)芽均(jun)有一定的(de)(de)作用(yong)。
土壤水分胁迫对荻光合生理特性的影响
李 强, 王 非, 何 淼, 路雪梅, 王红庆, 石 林
2013, 7(7): 1031-1035.
[摘要](1281) [PDF 499KB](434)
摘要:
本(ben)研(yan)究对(dui)(dui)荻(Miscanthus sacchariflorus)的(de)实生苗进行了4种土壤水(shui)分(fen)(fen)(fen)胁(xie)迫[对(dui)(dui)照(zhao)(保持田间最大(da)持水(shui)量(liang)的(de)80%,下同(tong))、轻(qing)度(du)水(shui)分(fen)(fen)(fen)胁(xie)迫(65%)、中度(du)水(shui)分(fen)(fen)(fen)胁(xie)迫(45%)和重度(du)水(shui)分(fen)(fen)(fen)胁(xie)迫(30%)]的(de)盆栽试验,以(yi)研(yan)究不同(tong)程(cheng)度(du)土壤水(shui)分(fen)(fen)(fen)胁(xie)迫对(dui)(dui)荻光合生理特性(xing)的(de)影(ying)响。在胁(xie)迫过程(cheng)中,随着水(shui)分(fen)(fen)(fen)胁(xie)迫程(cheng)度(du)的(de)增加,荻的(de)叶(ye)(ye)片(pian)相对(dui)(dui)含(han)水(shui)量(liang)(RWC)、比叶(ye)(ye)重(SLW)、叶(ye)(ye)绿素(Chl)含(han)量(liang)、最大(da)净光合速率(lv)(lv)(Pmax)、表观(guan)量(liang)子效(xiao)率(lv)(lv)(AQE)、暗呼(hu)吸速率(lv)(lv)(Rd)、蒸(zheng)腾速率(lv)(lv)(Tr)、胞间CO2浓度(du)(Ci)、气孔导(dao)度(du)(Gs)、光饱和点(dian)(LSP)和光补偿点(dian)(LCP)呈下降趋势,各胁(xie)迫处(chu)理与对(dui)(dui)照(zhao)差(cha)(cha)异(yi)显著(P<0.05);气孔限(xian)制值(Ls)呈上升(sheng)趋势,各处(chu)理间差(cha)(cha)异(yi)显著(P<0.05);水(shui)分(fen)(fen)(fen)利(li)用(yong)效(xiao)率(lv)(lv)(WUE)先(xian)上升(sheng)后下降,各处(chu)理间差(cha)(cha)异(yi)显著(P<0.05)。荻叶(ye)(ye)片(pian)的(de)气体(ti)交换参(can)数与生理指标对(dui)(dui)水(shui)分(fen)(fen)(fen)胁(xie)迫的(de)适应能力(li)较差(cha)(cha),可塑性(xing)较低。
干旱胁迫条件下菊苣的光合响应
韩永芬, 罗天琼, 李 娟, 赵相勇, 杨 菲, 陆瑞霞
2013, 7(7): 1036-1043.
[摘要](1572) [PDF 883KB](430)
摘要:
研究了3种具(ju)有不同抗旱(han)性的(de)(de)(de)菊(ju)苣(ju)(Cichorium intybus)[航天诱变新(xin)品系(xi)(xi)PA43、PA82和亲本(ben)普那(nei)菊(ju)苣(ju)]的(de)(de)(de)光合特性及对干(gan)旱(han)胁迫(po)的(de)(de)(de)响应(ying)。结果表明(ming),3个(ge)菊(ju)苣(ju)品系(xi)(xi)的(de)(de)(de)净(jing)光合速(su)率(lv)(Pn)、蒸腾速(su)率(lv)(Tr)和气孔(kong)导度(du)(Cond)日变化趋势都是双峰(feng)曲线。午(wu)间(jian)有明(ming)显午(wu)休现象(xiang),且导致午(wu)休的(de)(de)(de)主要原因是非气孔(kong)因素。PA82的(de)(de)(de)Pn、Tr、Cond值均最(zui)(zui)高,PA43的(de)(de)(de)相(xiang)应(ying)值均最(zui)(zui)小(xiao);3个(ge)菊(ju)苣(ju)品系(xi)(xi)的(de)(de)(de)胞间(jian)CO2浓度(du)(Ci)在(zai)(zai)10:00-12:00时(shi)(shi)比较(jiao)低(di),其变化曲线与Pn相(xiang)反(fan)。水(shui)分(fen)利用效率(lv)(WUE)以PA82为最(zui)(zui)高,普那(nei)菊(ju)苣(ju)居中(zhong),PA43为最(zui)(zui)低(di)。随(sui)着干(gan)旱(han)胁迫(po)程(cheng)度(du)的(de)(de)(de)加剧(ju),3个(ge)菊(ju)苣(ju)品系(xi)(xi)的(de)(de)(de)Pn、Tr、Cond、暗适应(ying)下PSⅡ最(zui)(zui)大光化学效率(lv)(Fv/Fm)、暗适应(ying)下PSⅡ的(de)(de)(de)潜在(zai)(zai)活性(Fv/Fo)、光化学猝灭(mie)系(xi)(xi)数(shu)(qP)均有一定程(cheng)度(du)的(de)(de)(de)降低(di)。其中(zhong),PA82下降速(su)度(du)慢(man)、幅度(du)小(xiao),PA43下降速(su)度(du)快(kuai)、幅度(du)大。Ci、qN值随(sui)着胁迫(po)程(cheng)度(du)的(de)(de)(de)加剧(ju)呈上(shang)升(sheng)趋势。其中(zhong),PA82上(shang)升(sheng)速(su)度(du)慢(man)、幅度(du)小(xiao),PA43上(shang)升(sheng)速(su)度(du)快(kuai)、幅度(du)大。相(xiang)对于抗旱(han)性弱的(de)(de)(de)菊(ju)苣(ju)PA43,抗旱(han)性强(qiang)的(de)(de)(de)菊(ju)苣(ju)PA82、 普那(nei)菊(ju)苣(ju)在(zai)(zai)受到严重干(gan)旱(han)胁迫(po)时(shi)(shi),具(ju)有较(jiao)强(qiang)的(de)(de)(de)抵抗干(gan)旱(han)的(de)(de)(de)能力(li)。
贵州威宁喀斯特山区野生饲用植物资源构成分析
孙 红, 于应文, 马向丽, 牟晓明, 张红梅, 廖加法
2013, 7(7): 1044-1051.
[摘要](1294) [PDF 907KB](418)
摘要:
通(tong)过资料查阅、野(ye)(ye)外调查、农户(hu)访谈及专(zhuan)家(jia)咨(zi)询,建立贵州(zhou)威宁(ning)喀斯(si)特(te)(te)山(shan)区野(ye)(ye)生饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)数据库(ku),分析(xi)该(gai)区野(ye)(ye)生饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)的科(ke)(ke)(ke)、属(shu)和种(zhong)(zhong)构成;依据家(jia)畜对(dui)不同饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)的采(cai)食性差异,将该(gai)区野(ye)(ye)生饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)划(hua)分为(wei)优、良(liang)、中(zhong)和劣4级,并对(dui)其饲(si)(si)(si)(si)用(yong)(yong)特(te)(te)性及家(jia)畜配置进行分析(xi)。结果表明(ming),威宁(ning)喀斯(si)特(te)(te)山(shan)区有野(ye)(ye)生饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)55科(ke)(ke)(ke)227属(shu)384种(zhong)(zhong),草(cao)本(ben)和木本(ben)分别占总(zong)饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)种(zhong)(zhong)类(lei)的76%和24%;优势科(ke)(ke)(ke)为(wei)禾(he)本(ben)科(ke)(ke)(ke)、豆(dou)(dou)科(ke)(ke)(ke)、菊科(ke)(ke)(ke)、蔷薇(wei)科(ke)(ke)(ke)和莎草(cao)科(ke)(ke)(ke)等10科(ke)(ke)(ke),其中(zhong),禾(he)本(ben)科(ke)(ke)(ke)、豆(dou)(dou)科(ke)(ke)(ke)和莎草(cao)科(ke)(ke)(ke)中(zhong)的优良(liang)饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)多,具较高饲(si)(si)(si)(si)用(yong)(yong)价值(zhi);木本(ben)饲(si)(si)(si)(si)用(yong)(yong)植(zhi)物(wu)(wu)(wu)主要为(wei)豆(dou)(dou)科(ke)(ke)(ke)(26种(zhong)(zhong))和蔷薇(wei)科(ke)(ke)(ke)(23种(zhong)(zhong))。综合(he)分析(xi)认为(wei),威宁(ning)喀斯(si)特(te)(te)山(shan)区具有特(te)(te)殊(shu)生物(wu)(wu)(wu)活(huo)性物(wu)(wu)(wu)质的饲(si)(si)(si)(si)用(yong)(yong)灌(guan)木,可作(zuo)为(wei)家(jia)畜冬季补饲(si)(si)(si)(si)料组分和生物(wu)(wu)(wu)保健药添(tian)加剂,该(gai)区草(cao)山(shan)草(cao)坡宜不同类(lei)型家(jia)畜混合(he)放牧利用(yong)(yong),中(zhong)等饲(si)(si)(si)(si)用(yong)(yong)价值(zhi)饲(si)(si)(si)(si)草(cao)可作(zuo)冬季补饲(si)(si)(si)(si)料、天(tian)然(ran)草(cao)地利用(yong)(yong)与(yu)栽培草(cao)地建设并重。
3种催熟剂对芒属植物的催熟效果比较
易镇邪, 王 禹, 王学华, 屠乃美, 易自力
2013, 7(7): 1052-1056.
[摘要](1515) [PDF 378KB](330)
摘要:
以五节芒(mang)(mang)02142(Miscanthus floridulus)和杂交种(zhong)湘杂芒(mang)(mang)2号(hao)(M.sinensisM.lutarioriparius)为材(cai)料(liao),比较了3种(zhong)催熟(shu)剂(农(nong)(nong)(nong)挞(ta)(ta)(ta)、乙(yi)烯(xi)利(li)及二者的(de)(de)混(hun)合制(zhi)剂)对(dui)芒(mang)(mang)属(shu)植(zhi)物(wu)的(de)(de)催熟(shu)效(xiao)果。结(jie)果表(biao)明(ming),3种(zhong)催熟(shu)剂均(jun)明(ming)显(xian)(xian)降(jiang)低(di)(di)了芒(mang)(mang)属(shu)植(zhi)物(wu)叶片的(de)(de)叶绿素相(xiang)对(dui)含量(SPAD值),其(qi)(qi)中农(nong)(nong)(nong)挞(ta)(ta)(ta)与(yu)农(nong)(nong)(nong)挞(ta)(ta)(ta)乙(yi)烯(xi)利(li)混(hun)合制(zhi)剂效(xiao)果相(xiang)当,而乙(yi)烯(xi)利(li)效(xiao)果最(zui)(zui)差;3种(zhong)催熟(shu)剂均(jun)明(ming)显(xian)(xian)促进了芒(mang)(mang)属(shu)植(zhi)物(wu)植(zhi)株脱水,其(qi)(qi)中农(nong)(nong)(nong)挞(ta)(ta)(ta)乙(yi)烯(xi)利(li)混(hun)合制(zhi)剂效(xiao)果最(zui)(zui)好(hao),乙(yi)烯(xi)利(li)效(xiao)果最(zui)(zui)差,但与(yu)农(nong)(nong)(nong)挞(ta)(ta)(ta)配制(zhi)后有明(ming)显(xian)(xian)的(de)(de)增(zeng)效(xiao)作用;在对(dui)芒(mang)(mang)属(shu)植(zhi)物(wu)植(zhi)株氮、磷和钾含量的(de)(de)影响上,乙(yi)烯(xi)利(li)多表(biao)现出增(zeng)大作用,而农(nong)(nong)(nong)挞(ta)(ta)(ta)与(yu)农(nong)(nong)(nong)挞(ta)(ta)(ta)乙(yi)烯(xi)利(li)混(hun)合制(zhi)剂则表(biao)现出明(ming)显(xian)(xian)降(jiang)低(di)(di)作用,以农(nong)(nong)(nong)挞(ta)(ta)(ta)(10 mLL-1)+乙(yi)烯(xi)利(li)(2 mLL-1)处(chu)理的(de)(de)效(xiao)果最(zui)(zui)好(hao)。综合来看,农(nong)(nong)(nong)挞(ta)(ta)(ta)乙(yi)烯(xi)利(li)混(hun)合制(zhi)剂催熟(shu)效(xiao)果最(zui)(zui)佳(jia),且(qie)最(zui)(zui)佳(jia)浓度为农(nong)(nong)(nong)挞(ta)(ta)(ta)(10 mLL-1)+乙(yi)烯(xi)利(li)(2 mLL-1)。
4种针叶纯林枯落叶对3种豆科灌草的化感效应
李 俊, 刘增文
2013, 7(7): 1057-1065.
[摘要](1327) [PDF 495KB](416)
摘要:
为(wei)(wei)(wei)探讨豆科灌(guan)草(cao)在针叶人工纯(chun)林改造和林草(cao)复(fu)合植被(bei)建设中的可(ke)行(xing)性,研(yan)究了(le)(le)油松(song)(Pinus tabulaeformis)、侧柏(Platycladus orientalis)、落(luo)叶松(song)(Larix principisrupprechtii)和樟子(zi)(zi)(zi)(zi)松(song)(P.sylvestris var.Mongolica)当(dang)年枯落(luo)叶经(jing)室内混土分(fen)解培养后(hou),所获得(de)的枯落(luo)叶浸提液对(dui)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)(Amorpha fruticosa)、毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)(Vicia villosa)和草(cao)木(mu)(mu)樨(xi)(xi)(xi)(Melilotus officinalis)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)和幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang)的化(hua)感(gan)效应(ying)。结(jie)果(guo)表(biao)(biao)明,1)油松(song)枯落(luo)叶浸提液抑制毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)和草(cao)木(mu)(mu)樨(xi)(xi)(xi)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa),对(dui)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)以(yi)及(ji)(ji)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)和毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang)表(biao)(biao)现(xian)(xian)为(wei)(wei)(wei)低促高抑;2)侧柏浸提液促进(jin)草(cao)木(mu)(mu)樨(xi)(xi)(xi)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)和毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)以(yi)及(ji)(ji)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)幼(you)(you)(you)根生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang),对(dui)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)以(yi)及(ji)(ji)草(cao)木(mu)(mu)樨(xi)(xi)(xi)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang)均表(biao)(biao)现(xian)(xian)为(wei)(wei)(wei)低促高抑;3)落(luo)叶松(song)浸提液抑制了(le)(le)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)和毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa),促进(jin)了(le)(le)草(cao)木(mu)(mu)樨(xi)(xi)(xi)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)和毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)以(yi)及(ji)(ji)草(cao)木(mu)(mu)樨(xi)(xi)(xi)幼(you)(you)(you)根生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang),对(dui)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang)表(biao)(biao)现(xian)(xian)为(wei)(wei)(wei)低促高抑;4)樟子(zi)(zi)(zi)(zi)松(song)浸提液抑制了(le)(le)毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)和草(cao)木(mu)(mu)樨(xi)(xi)(xi)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)以(yi)及(ji)(ji)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)地上部生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang),促进(jin)了(le)(le)毛(mao)(mao)苕(tiao)(tiao)子(zi)(zi)(zi)(zi)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)和紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)幼(you)(you)(you)根生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang),对(dui)紫(zi)(zi)(zi)穗(sui)(sui)(sui)槐(huai)(huai)(huai)种(zhong)(zhong)子(zi)(zi)(zi)(zi)萌(meng)(meng)(meng)(meng)发(fa)表(biao)(biao)现(xian)(xian)为(wei)(wei)(wei)低促高抑;5)3种(zhong)(zhong)豆科灌(guan)草(cao)幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)MDA含(han)量分(fen)析(xi)结(jie)果(guo)与其幼(you)(you)(you)苗(miao)(miao)(miao)(miao)(miao)生(sheng)(sheng)(sheng)(sheng)长(zhang)(zhang)(zhang)(zhang)的分(fen)析(xi)结(jie)果(guo)一致(zhi)。MDA含(han)量可(ke)能(neng)是衡量化(hua)感(gan)效应(ying)的最敏感(gan)指标(biao)。
青藏高原边缘区高寒草甸植物群落的特征
周 杰, 赵 洪, 袁晓霞, 杨玉婷, 罗开嘉, 郭正刚
2013, 7(7): 1066-1070.
[摘要](1469) [PDF 420KB](558)
摘要:
以甘肃天祝和(he)玛曲(qu)为例,研究(jiu)了(le)青藏高(gao)(gao)(gao)原东北(bei)(bei)缘(yuan)(yuan)(yuan)和(he)东缘(yuan)(yuan)(yuan)地区(qu)高(gao)(gao)(gao)寒草(cao)甸(dian)植物群落(luo)特征(zheng)和(he)多(duo)(duo)样(yang)性(xing)的(de)(de)分异(yi)性(xing)。结果显示(shi),青藏高(gao)(gao)(gao)原东北(bei)(bei)缘(yuan)(yuan)(yuan)和(he)东缘(yuan)(yuan)(yuan)地区(qu)高(gao)(gao)(gao)寒草(cao)甸(dian)植物群落(luo)的(de)(de)优势种均(jun)(jun)为高(gao)(gao)(gao)山嵩草(cao)(Kobresia pygmaea);东缘(yuan)(yuan)(yuan)地区(qu)植物群落(luo)高(gao)(gao)(gao)度(du)和(he)盖度(du)大于东北(bei)(bei)缘(yuan)(yuan)(yuan)地区(qu);植物群落(luo)均(jun)(jun)表(biao)现为双(shuang)层垂直结构(gou)。东缘(yuan)(yuan)(yuan)和(he)东北(bei)(bei)缘(yuan)(yuan)(yuan)地区(qu)高(gao)(gao)(gao)寒草(cao)甸(dian)植物群落(luo)的(de)(de)物种丰富度(du)指(zhi)数(shu)差异(yi)不显著(P0.05);物种均(jun)(jun)匀度(du)指(zhi)数(shu)、多(duo)(duo)样(yang)性(xing)指(zhi)数(shu)、多(duo)(duo)样(yang)性(xing)指(zhi)数(shu)和(he)地上生(sheng)物量(liang)均(jun)(jun)表(biao)现为东缘(yuan)(yuan)(yuan)地区(qu)显著大于东北(bei)(bei)缘(yuan)(yuan)(yuan)地区(qu)。本(ben)研究(jiu)结果说明(ming),青藏高(gao)(gao)(gao)原周边地区(qu)高(gao)(gao)(gao)寒草(cao)甸(dian)群落(luo)特征(zheng)、植物多(duo)(duo)样(yang)性(xing)和(he)草(cao)地初级(ji)生(sheng)产力具(ju)有(you)较大分异(yi)性(xing),因此,制(zhi)订经(jing)营策略时应因地制(zhi)宜,以维持高(gao)(gao)(gao)寒草(cao)甸(dian)的(de)(de)稳产和(he)保育植物多(duo)(duo)样(yang)性(xing)。
西藏典型草地地上生物量季节变化特征
除 多, 普布次仁, 德吉央宗, 姬秋梅, 唐 洪
2013, 7(7): 1071-1081.
[摘要](20624) [PDF 1117KB](437)
摘要:
采用高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)甸(dian)、高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)原(yuan)、高(gao)(gao)(gao)(gao)寒(han)沼泽化(hua)草(cao)(cao)(cao)(cao)甸(dian)和温性草(cao)(cao)(cao)(cao)原(yuan)4种西藏高(gao)(gao)(gao)(gao)原(yuan)典型(xing)(xing)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)类(lei)型(xing)(xing)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)定点观测数据,分析其(qi)(qi)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)季节(jie)动(dong)态变化(hua)特(te)征和生(sheng)长(zhang)(zhang)规律。结果表明(ming),高(gao)(gao)(gao)(gao)寒(han)沼泽化(hua)草(cao)(cao)(cao)(cao)甸(dian)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)最高(gao)(gao)(gao)(gao),其(qi)(qi)中(zhong)围网草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)年(nian)均地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)达(da)384.45 gm-2,比(bi)无围网草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)高(gao)(gao)(gao)(gao)73%,且是(shi)(shi)(shi)温性草(cao)(cao)(cao)(cao)原(yuan)类(lei)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)生(sheng)物(wu)量(liang)(liang)的(de)(de)(de)(de)6倍,是(shi)(shi)(shi)高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)甸(dian)和高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)原(yuan)类(lei)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)的(de)(de)(de)(de)12~14倍,与自由放牧相(xiang)比(bi),围栏禁牧措施(shi)可以(yi)明(ming)显(xian)提高(gao)(gao)(gao)(gao)草(cao)(cao)(cao)(cao)原(yuan)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang),是(shi)(shi)(shi)改良(liang)退(tui)化(hua)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)最有效的(de)(de)(de)(de)措施(shi)之(zhi)一;温性草(cao)(cao)(cao)(cao)原(yuan)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)生(sheng)产力大于高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)甸(dian)和高(gao)(gao)(gao)(gao)寒(han)草(cao)(cao)(cao)(cao)原(yuan),城市附近山地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)生(sheng)物(wu)量(liang)(liang)明(ming)显(xian)大于远离城市的(de)(de)(de)(de)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)区,表明(ming)城市化(hua)进程(cheng)降低了天然草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)放牧强(qiang)度,是(shi)(shi)(shi)恢复退(tui)化(hua)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)生(sheng)产力的(de)(de)(de)(de)有效途径之(zhi)一;属半干旱(han)气候类(lei)型(xing)(xing)的(de)(de)(de)(de)西藏高(gao)(gao)(gao)(gao)原(yuan)中(zhong)部,降水是(shi)(shi)(shi)制约草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)植(zhi)被生(sheng)长(zhang)(zhang)的(de)(de)(de)(de)主要因子;草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)上(shang)生(sheng)物(wu)量(liang)(liang)的(de)(de)(de)(de)绝对增(zeng)长(zhang)(zhang)速(su)率和相(xiang)对增(zeng)长(zhang)(zhang)速(su)率季节(jie)动(dong)态均在生(sheng)物(wu)量(liang)(liang)达(da)到(dao)高(gao)(gao)(gao)(gao)峰期(qi)(qi)前为(wei)正增(zeng)长(zhang)(zhang),之(zhi)后为(wei)负增(zeng)长(zhang)(zhang)。区域水热条件(jian)差(cha)异及其(qi)(qi)季节(jie)性变化(hua)导致了不(bu)同草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)类(lei)型(xing)(xing)或(huo)同一类(lei)型(xing)(xing)不(bu)同区域的(de)(de)(de)(de)草(cao)(cao)(cao)(cao)地(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)(di)最快生(sheng)长(zhang)(zhang)期(qi)(qi)出(chu)现的(de)(de)(de)(de)时间(jian)存在一定差(cha)别。
大通河上游高寒草甸植物群落的退化特征
刘 玉, 马玉寿, 施建军, 王彦龙, 李世雄, 景美玲, 闵星星
2013, 7(7): 1082-1088.
[摘要](1538) [PDF 596KB](391)
摘要:
采(cai)用样方法对祁连山区(qu)大通河上(shang)游不同退(tui)(tui)化(hua)程度高(gao)寒草(cao)甸植物(wu)(wu)(wu)群(qun)落(luo)进(jin)行(xing)调查,分析了该(gai)草(cao)地(di)(di)群(qun)落(luo)结(jie)构、物(wu)(wu)(wu)种(zhong)多样性和(he)草(cao)地(di)(di)生产(chan)力。结(jie)果(guo)表明,该(gai)类草(cao)地(di)(di)由24科(ke)51属60多种(zhong)植物(wu)(wu)(wu)组成;随(sui)着(zhe)草(cao)地(di)(di)退(tui)(tui)化(hua)程度的加(jia)重,草(cao)地(di)(di)优势种(zhong)由高(gao)山嵩草(cao)(Kobresia pygmaea)向细叶亚菊(Ajania tenuifolia)过(guo)渡(du);中度退(tui)(tui)化(hua)草(cao)地(di)(di)的ShannonWiener指(zhi)数和(he)Simpson指(zhi)数均(jun)最(zui)高(gao)(P0.05);随(sui)草(cao)地(di)(di)退(tui)(tui)化(hua)程度的加(jia)剧(ju),草(cao)地(di)(di)总盖度降(jiang)低,禾本科(ke)和(he)莎(sha)草(cao)科(ke)优良牧草(cao)生物(wu)(wu)(wu)量显著下(xia)(xia)降(jiang)(P0.05),杂类草(cao)和(he)毒草(cao)生物(wu)(wu)(wu)量上(shang)升,草(cao)地(di)(di)质(zhi)量下(xia)(xia)降(jiang),生产(chan)力明显降(jiang)低。
高寒地区两份垂穗披碱草材料饲用品质的比较
刘 立, 傅 华, 陈鸿洋, 黄德君, 周鸿进
2013, 7(7): 1089-1093.
[摘要](1472) [PDF 433KB](339)
摘要:
为(wei)(wei)(wei)培育适(shi)应(ying)高寒地区(qu)的(de)(de)(de)(de)抗(kang)逆、高产、营养品质优异(yi)(yi)的(de)(de)(de)(de)垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)(Elymus nutans)新(xin)品种,获取优良的(de)(de)(de)(de)种质资源,本研究对(dui)垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)高蛋(dan)白(bai)新(xin)品系QE36的(de)(de)(de)(de)饲用(yong)性状进(jin)行(xing)了连续(xu)两年的(de)(de)(de)(de)观(guan)测,并(bing)对(dui)其蛋(dan)白(bai)质季节动(dong)态和(he)构成蛋(dan)白(bai)质的(de)(de)(de)(de)氨基(ji)酸组分特征进(jin)行(xing)了深入研究。结果(guo)表明,垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)材(cai)料QE36饲用(yong)品质性状表现(xian)稳定,且粗蛋(dan)白(bai)和(he)酸性洗涤纤(xian)维含(han)量(liang)(liang)(liang)显著(zhu)优于(yu)当地广泛分布(bu)的(de)(de)(de)(de)野生垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)材(cai)料(本文编号为(wei)(wei)(wei)GE07);整个生育期(qi),垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)粗蛋(dan)白(bai)质含(han)量(liang)(liang)(liang)表现(xian)为(wei)(wei)(wei)降低趋势,且QE36粗蛋(dan)白(bai)含(han)量(liang)(liang)(liang)均高于(yu)对(dui)照GE07,并(bing)在抽穗(sui)(sui)(sui)期(qi)至孕穗(sui)(sui)(sui)期(qi)差异(yi)(yi)显著(zhu)(P0.05);垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)材(cai)料QE36的(de)(de)(de)(de)18种氨基(ji)酸含(han)量(liang)(liang)(liang)显著(zhu)高于(yu)对(dui)照GE07,且必需氨基(ji)酸含(han)量(liang)(liang)(liang)是对(dui)照的(de)(de)(de)(de)1.6倍(bei)。因此(ci),QE36可以(yi)作(zuo)为(wei)(wei)(wei)优异(yi)(yi)的(de)(de)(de)(de)高蛋(dan)白(bai)垂(chui)(chui)穗(sui)(sui)(sui)披(pi)(pi)(pi)碱(jian)(jian)草(cao)种质材(cai)料。
不同种群香根草叶生长分析
彭雪梅, 刘金祥, 杨允菲
2013, 7(7): 1094-1098.
[摘要](1211) [PDF 390KB](376)
摘要:
本研究采用大样本取样方法(fa),对引种(zhong)(zhong)的(de)(de)(de)、当地野(ye)生(sheng)(sheng)的(de)(de)(de)和野(ye)生(sheng)(sheng)栽培驯(xun)化不(bu)同(tong)(tong)(tong)年限的(de)(de)(de)4个香根(gen)草(cao)(Vetiveria zizanioides)种(zhong)(zhong)群(qun)(qun)的(de)(de)(de)叶(ye)进行了统(tong)计分(fen)(fen)析(xi)。结果表(biao)明,4个香根(gen)草(cao)种(zhong)(zhong)群(qun)(qun)在分(fen)(fen)蘖株高度(du)、叶(ye)片(pian)(pian)生(sheng)(sheng)物(wu)量(liang)和叶(ye)片(pian)(pian)生(sheng)(sheng)物(wu)量(liang)比(bi)例上(shang)都存在不(bu)同(tong)(tong)(tong)程度(du)的(de)(de)(de)差(cha)异(yi)。不(bu)同(tong)(tong)(tong)种(zhong)(zhong)群(qun)(qun)的(de)(de)(de)叶(ye)片(pian)(pian)长度(du)、叶(ye)片(pian)(pian)宽(kuan)度(du)和叶(ye)宽(kuan)叶(ye)长比(bi)上(shang)也存在不(bu)同(tong)(tong)(tong)程度(du)的(de)(de)(de)差(cha)异(yi),但却有(you)着(zhe)相同(tong)(tong)(tong)幂函数形式的(de)(de)(de)变化规(gui)律,表(biao)现出趋同(tong)(tong)(tong)的(de)(de)(de)叶(ye)生(sheng)(sheng)物(wu)量(liang)生(sheng)(sheng)长格局和叶(ye)片(pian)(pian)生(sheng)(sheng)长过程。
动物生产层
锰水平对辽宁绒山羊母羊血液免疫指标的影响
曹 阳, 丛玉艳, 李文婷, 李丰田
2013, 7(7): 1099-1105.
[摘要](1266) [PDF 523KB](372)
摘要:
饲(si)(si)(si)料中(zhong)添加(jia)锰(meng)(meng)可(ke)提(ti)高(gao)(gao)畜禽的生(sheng)长发育和(he)(he)繁殖性(xing)(xing)能(neng)(neng)(neng)。为筛选(xuan)能(neng)(neng)(neng)够提(ti)高(gao)(gao)辽(liao)宁绒山(shan)羊母羊免(mian)疫性(xing)(xing)能(neng)(neng)(neng)的最适日(ri)粮(liang)锰(meng)(meng)水平,本研(yan)究选(xuan)择体况良好(hao),体质量(liang)(liang)(liang)(liang)相(xiang)近(34.160.90 kg)的2.5岁母羊60只,随(sui)机分为4组(zu)(zu)(zu),各组(zu)(zu)(zu)基(ji)(ji)础饲(si)(si)(si)粮(liang)一(yi)致,锰(meng)(meng)补(bu)(bu)饲(si)(si)(si)量(liang)(liang)(liang)(liang)分别(bie)为0、20、40、60 mgkg-1DM,测(ce)定母羊空(kong)(kong)怀(huai)期、妊娠1个(ge)月(yue)和(he)(he)妊娠4个(ge)月(yue)血清白蛋白(ALB)、总蛋白(TP)和(he)(he)免(mian)疫球蛋白(IgA、IgG、IgM)含量(liang)(liang)(liang)(liang),以及(ji)谷丙转氨酶(ALT)和(he)(he)谷草转氨酶(AST)活(huo)性(xing)(xing)。结(jie)果(guo)显(xian)示,补(bu)(bu)饲(si)(si)(si)锰(meng)(meng)不影响(xiang)血清ALT、AST活(huo)性(xing)(xing)和(he)(he)采食(shi)量(liang)(liang)(liang)(liang),可(ke)增(zeng)加(jia)体质量(liang)(liang)(liang)(liang)。空(kong)(kong)怀(huai)期补(bu)(bu)饲(si)(si)(si)20 mgkg-1 DM锰(meng)(meng)组(zu)(zu)(zu)血清ALB含量(liang)(liang)(liang)(liang)显(xian)著高(gao)(gao)于基(ji)(ji)础饲(si)(si)(si)粮(liang)组(zu)(zu)(zu)(P<0.05),血清TP含量(liang)(liang)(liang)(liang)显(xian)著低于其余(yu)3组(zu)(zu)(zu)(P<0.05),补(bu)(bu)饲(si)(si)(si)锰(meng)(meng)组(zu)(zu)(zu)血清IgM含量(liang)(liang)(liang)(liang)显(xian)著高(gao)(gao)于基(ji)(ji)础饲(si)(si)(si)粮(liang)组(zu)(zu)(zu)(P<0.05);妊娠4个(ge)月(yue)补(bu)(bu)饲(si)(si)(si)40 mgkg-1 DM锰(meng)(meng)组(zu)(zu)(zu),其血清TP、IgA、IgG含量(liang)(liang)(liang)(liang)显(xian)著高(gao)(gao)于基(ji)(ji)础饲(si)(si)(si)粮(liang)组(zu)(zu)(zu)(P<0.05)。以上结(jie)果(guo)说明,空(kong)(kong)怀(huai)期补(bu)(bu)饲(si)(si)(si)锰(meng)(meng)20 mgkg-1 DM(日(ri)粮(liang)锰(meng)(meng)水平60 mgkg-1 DM),妊娠期补(bu)(bu)饲(si)(si)(si)锰(meng)(meng)40 mgkg-1 DM(日(ri)粮(liang)锰(meng)(meng)水平80 mgkg-1 DM)对提(ti)高(gao)(gao)辽(liao)宁绒山(shan)羊母羊免(mian)疫性(xing)(xing)能(neng)(neng)(neng)的效果(guo)较好(hao)。
杂交狼尾草对肉兔生长性能和脂肪酸组成的影响
冯德庆, 黄勤楼, 黄秀声, 陈钟佃, 钟珍梅
2013, 7(7): 1106-1110.
[摘要](1188) [PDF 455KB](319)
摘要:
采用随(sui)机区(qu)组(zu)(zu)设(she)计,将30只福(fu)建黄兔(tu)(tu)分为(wei)3个(ge)组(zu)(zu),分别(bie)在饲粮(liang)(liang)(liang)中(zhong)(zhong)添加10%、30%和(he)(he)(he)50%的(de)(de)杂(za)(za)交(jiao)狼(lang)尾(wei)草(Pennisetum americanum P.purpureum)草粉,试验(yan)期60 d,测定饲喂不同(tong)水(shui)平杂(za)(za)交(jiao)狼(lang)尾(wei)草草粉饲粮(liang)(liang)(liang)条件下,肉(rou)(rou)(rou)兔(tu)(tu)的(de)(de)主要生产性(xing)能和(he)(he)(he)肌肉(rou)(rou)(rou)中(zhong)(zhong)脂(zhi)肪(fang)(fang)酸(suan)组(zu)(zu)成的(de)(de)变(bian)化(hua)。结果表(biao)明,随(sui)着(zhe)日(ri)(ri)粮(liang)(liang)(liang)中(zhong)(zhong)杂(za)(za)交(jiao)狼(lang)尾(wei)草用量的(de)(de)增(zeng)(zeng)加,处理(li)(li)2(30%)和(he)(he)(he)处理(li)(li)3(50%)组(zu)(zu)肉(rou)(rou)(rou)兔(tu)(tu)的(de)(de)净增(zeng)(zeng)重和(he)(he)(he)平均(jun)日(ri)(ri)增(zeng)(zeng)重显(xian)(xian)(xian)著(zhu)低(di)(di)于处理(li)(li)1(10%)组(zu)(zu)(P<0.05),各处理(li)(li)组(zu)(zu)屠宰率差异不显(xian)(xian)(xian)著(zhu);随(sui)着(zhe)日(ri)(ri)粮(liang)(liang)(liang)中(zhong)(zhong)杂(za)(za)交(jiao)狼(lang)尾(wei)草用量的(de)(de)增(zeng)(zeng)加,兔(tu)(tu)肉(rou)(rou)(rou)的(de)(de)饱和(he)(he)(he)脂(zhi)肪(fang)(fang)酸(suan)含(han)量降低(di)(di),多(duo)不饱和(he)(he)(he)脂(zhi)肪(fang)(fang)酸(suan)含(han)量显(xian)(xian)(xian)著(zhu)升高(P<0.05),PUFA/SFA比(bi)值(zhi)和(he)(he)(he)n3/n6比(bi)值(zhi)显(xian)(xian)(xian)著(zhu)升高(P<0.05),其中(zhong)(zhong)处理(li)(li)2和(he)(he)(he)处理(li)(li)3兔(tu)(tu)肉(rou)(rou)(rou)亚麻酸(suan)分别(bie)比(bi)处理(li)(li)1升高了240.35%和(he)(he)(he)452.63%(P<0.05)。说(shuo)明杂(za)(za)交(jiao)狼(lang)尾(wei)草能为(wei)肉(rou)(rou)(rou)兔(tu)(tu)所利用,使其亚麻酸(suan)显(xian)(xian)(xian)著(zhu)升高,进而改(gai)善兔(tu)(tu)肉(rou)(rou)(rou)的(de)(de)品质。
不同土地利用类型大型土壤动物群落结构
高立杰, 侯建华, 安 哲, 马冬雪, 高宝嘉
2013, 7(7): 1111-1115.
[摘要](1227) [PDF 394KB](383)
摘要:
利(li)用(yong)(yong)(yong)样(yang)方统(tong)计法,对(dui)内(nei)蒙古(gu)高(gao)原(yuan)(yuan)东(dong)南缘森(sen)林(lin)(lin)草(cao)(cao)(cao)原(yuan)(yuan)过渡地(di)(di)带(dai)森(sen)林(lin)(lin)、森(sen)林(lin)(lin)草(cao)(cao)(cao)甸、草(cao)(cao)(cao)甸草(cao)(cao)(cao)原(yuan)(yuan)和草(cao)(cao)(cao)原(yuan)(yuan)4种(zhong)不同土(tu)(tu)地(di)(di)利(li)用(yong)(yong)(yong)类(lei)(lei)型(xing)大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)群(qun)落(luo)(luo)结构(gou)进行(xing)了研究。共(gong)采集大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)2 394只,隶属于3门8纲22目(类(lei)(lei))。由(you)森(sen)林(lin)(lin)向草(cao)(cao)(cao)原(yuan)(yuan)过渡过程中,大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)群(qun)落(luo)(luo)组成变(bian)化较大(da)(da)(da),土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)个体数(shu)(shu)量(liang)和类(lei)(lei)群(qun)数(shu)(shu)呈递减趋势。统(tong)计分析表明,大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)类(lei)(lei)群(qun)数(shu)(shu)和密度(du)-类(lei)(lei)群(qun)指数(shu)(shu)(DG)在不同土(tu)(tu)地(di)(di)利(li)用(yong)(yong)(yong)类(lei)(lei)型(xing)之间(jian)存在显著(zhu)(zhu)差异(P<0.05);森(sen)林(lin)(lin)带(dai)大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)个体数(shu)(shu)量(liang)显著(zhu)(zhu)大(da)(da)(da)于森(sen)林(lin)(lin)草(cao)(cao)(cao)甸、草(cao)(cao)(cao)原(yuan)(yuan)和草(cao)(cao)(cao)甸草(cao)(cao)(cao)原(yuan)(yuan)(P<0.05),多样(yang)性指数(shu)(shu)(H)显著(zhu)(zhu)大(da)(da)(da)于草(cao)(cao)(cao)原(yuan)(yuan)带(dai),均(jun)匀度(du)指数(shu)(shu)(J)在4个土(tu)(tu)地(di)(di)利(li)用(yong)(yong)(yong)类(lei)(lei)型(xing)之间(jian)无显著(zhu)(zhu)差异(P0.05)。森(sen)林(lin)(lin)具有最高(gao)的大(da)(da)(da)型(xing)土(tu)(tu)壤动(dong)物(wu)(wu)(wu)(wu)个体数(shu)(shu)量(liang)、类(lei)(lei)群(qun)数(shu)(shu)、H值和DG值,其次是森(sen)林(lin)(lin)草(cao)(cao)(cao)甸,草(cao)(cao)(cao)原(yuan)(yuan)带(dai)最低(di)。
我国草地鼠害防治与研究的发展阶段及特征
苏军虎, 刘荣堂, 纪维红, 焦 婷, 蔡卓山, 花立民
2013, 7(7): 1116-1123.
[摘要](1196) [PDF 632KB](543)
摘要:
本研(yan)(yan)究基(ji)于(yu)教(jiao)学(xue)(xue)、科研(yan)(yan)、管(guan)理及(ji)生(sheng)产管(guan)理的(de)实践,分(fen)(fen)析(xi)了(le)我国草(cao)(cao)(cao)地(di)鼠害防(fang)(fang)(fang)治(zhi)与研(yan)(yan)究的(de)发(fa)展历史,将我国草(cao)(cao)(cao)地(di)鼠害防(fang)(fang)(fang)治(zhi)与研(yan)(yan)究史划分(fen)(fen)为(wei)(wei)5个(ge)发(fa)展阶(jie)段(duan)(duan),分(fen)(fen)别是(shi)自然(ran)生(sheng)态调控阶(jie)段(duan)(duan)、基(ji)于(yu)预防(fang)(fang)(fang)医学(xue)(xue)的(de)鼠害防(fang)(fang)(fang)治(zhi)阶(jie)段(duan)(duan)、以化学(xue)(xue)药(yao)物为(wei)(wei)主的(de)草(cao)(cao)(cao)地(di)害鼠防(fang)(fang)(fang)治(zhi)阶(jie)段(duan)(duan)、草(cao)(cao)(cao)地(di)鼠害的(de)综(zong)合防(fang)(fang)(fang)治(zhi)(IPM)阶(jie)段(duan)(duan)及(ji)草(cao)(cao)(cao)地(di)鼠害的(de)精确性可(ke)持续控制(zhi)阶(jie)段(duan)(duan),并界定(ding)了(le)各个(ge)阶(jie)段(duan)(duan)的(de)标(biao)志性时间段(duan)(duan),概(gai)述了(le)每个(ge)阶(jie)段(duan)(duan)的(de)重(zhong)大事件、对(dui)策和防(fang)(fang)(fang)控技术、具有标(biao)志性意(yi)义的(de)学(xue)(xue)术活(huo)动及(ji)重(zhong)要论著。
后生物生产层
添加剂对不同地区玉米青贮饲料发酵品质的影响
花 梅, 孙启忠, 王红梅
2013, 7(7): 1124-1130.
[摘要](1503) [PDF 405KB](467)
摘要:
为(wei)探讨添(tian)加剂(ji)对(dui)不同地(di)(di)区(qu)(qu)玉(yu)米(mi)(mi)(Zea mays)青(qing)贮(zhu)(zhu)(zhu)饲(si)料发(fa)酵(jiao)品(pin)质的(de)影响,以(yi)绥(sui)(sui)化(hua)(HB)、赤峰市林西(CF)、呼和(he)浩特(H)、河(he)北(bei)衡水(HS)和(he)宁夏(xia)银(yin)川(YC)地(di)(di)区(qu)(qu)种(zhong)植的(de)中北(bei)410品(pin)种(zhong)作为(wei)研究(jiu)对(dui)象,分别(bie)设对(dui)照(zhao)组(zu)(zu)(zu)、乳酸(suan)菌处(chu)理(li)(li)组(zu)(zu)(zu)(0.000 5%)和(he)纤维素(su)(su)酶处(chu)理(li)(li)组(zu)(zu)(zu)(0.001 5%),袋装(zhuang)真空青(qing)贮(zhu)(zhu)(zhu),贮(zhu)(zhu)(zhu)藏45 d后(hou)取样(yang)分析。结果表明,乳酸(suan)菌和(he)纤维素(su)(su)酶处(chu)理(li)(li)组(zu)(zu)(zu)降(jiang)(jiang)低了玉(yu)米(mi)(mi)青(qing)贮(zhu)(zhu)(zhu)饲(si)料的(de)pH值和(he)乙酸(suan)含(han)(han)量(liang)(liang)(liang),提(ti)高(gao)了乳酸(suan)含(han)(han)量(liang)(liang)(liang),改善(shan)了青(qing)贮(zhu)(zhu)(zhu)饲(si)料的(de)发(fa)酵(jiao)品(pin)质和(he)营养价值。添(tian)加剂(ji)处(chu)理(li)(li)组(zu)(zu)(zu)显(xian)著降(jiang)(jiang)低了玉(yu)米(mi)(mi)青(qing)贮(zhu)(zhu)(zhu)饲(si)料NDF、ADF的(de)含(han)(han)量(liang)(liang)(liang)(P<0.05);乳酸(suan)菌处(chu)理(li)(li)组(zu)(zu)(zu)提(ti)高(gao)了绥(sui)(sui)化(hua)、衡水、银(yin)川地(di)(di)区(qu)(qu)可(ke)溶(rong)性糖含(han)(han)量(liang)(liang)(liang),其(qi)中银(yin)川地(di)(di)区(qu)(qu)的(de)最高(gao)。所有地(di)(di)区(qu)(qu)添(tian)加剂(ji)组(zu)(zu)(zu)的(de)青(qing)贮(zhu)(zhu)(zhu)玉(yu)米(mi)(mi)发(fa)酵(jiao)品(pin)质Flieg等(deng)级为(wei)优(you)。
中草药饲料添加剂在畜牧生产中的研究与应用
翟金凤, 郭东新, 田 河
2013, 7(7): 1131-1134.
[摘要](1275) [PDF 408KB](487)
摘要:
天然(ran)中(zhong)(zhong)草(cao)药(yao)是具(ju)有中(zhong)(zhong)国特色(se)的绿色(se)饲料添加剂,具(ju)有资源丰(feng)富、无(wu)耐药(yao)性以(yi)及无(wu)药(yao)物残(can)留等特点。其主(zhu)要活性成(cheng)分(fen)有多糖、有机酸苷类和类黄酮等,具(ju)有促生长、抗氧化以(yi)及提高机体免疫(yi)力等功效。大力开(kai)发中(zhong)(zhong)草(cao)药(yao)作为饲料添加剂已经(jing)成(cheng)为国内(nei)外(wai)研(yan)究的热点,本文综(zong)述了中(zhong)(zhong)草(cao)药(yao)添加剂在畜禽生产中(zhong)(zhong)的研(yan)究与应(ying)用。
我国绿肥的研究进展
李子双, 廉晓娟, 王 薇, 赵同凯, 李洪杰
2013, 7(7): 1135-1140.
[摘要](1484) [PDF 527KB](932)
摘要:
绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)种植具有(you)提供养(yang)分(fen)、培肥(fei)(fei)(fei)地力、改(gai)善(shan)土壤(rang)结(jie)构(gou)、提供饲(si)草(cao)(cao)、保(bao)障粮(liang)食(shi)安全、改(gai)善(shan)生态环境以及节(jie)能减(jian)耗(hao)等作用(yong),在我(wo)国传统农业中具有(you)重要的(de)(de)(de)发(fa)展意义。我(wo)国绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)种质(zhi)资(zi)源(yuan)丰富,主(zhu)要有(you)豆科(Leguminosae)、禾本科(Gramineae)、十(shi)字花科(Brassicaceae)和(he)菊科(Compositae)等。绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)应用(yong)模(mo)式(shi)(shi)主(zhu)要包括间套(tao)作、轮作、肥(fei)(fei)(fei)饲(si)兼用(yong)型绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)牧草(cao)(cao)生产(chan)以及果园(yuan)绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)种植模(mo)式(shi)(shi),而且由于我(wo)国的(de)(de)(de)气候类型与(yu)(yu)(yu)农作物的(de)(de)(de)种植模(mo)式(shi)(shi)不(bu)(bu)同(tong),各(ge)种模(mo)式(shi)(shi)的(de)(de)(de)区域(yu)分(fen)布不(bu)(bu)同(tong)。本文通过对我(wo)国绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)种质(zhi)资(zi)源(yuan)、绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)应用(yong)模(mo)式(shi)(shi)和(he)绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)效应研究进行总(zong)结(jie)阐(chan)述(shu),指出(chu)我(wo)国绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)未(wei)来(lai)发(fa)展方向: 加强现(xian)有(you)绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)种质(zhi)资(zi)源(yuan)的(de)(de)(de)引入与(yu)(yu)(yu)保(bao)存,扩大(da)品种资(zi)源(yuan)的(de)(de)(de)储(chu)备与(yu)(yu)(yu)利用(yong);大(da)力发(fa)展绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)的(de)(de)(de)产(chan)业化研究;加强绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)效应评(ping)价(jia)与(yu)(yu)(yu)分(fen)析方面的(de)(de)(de)研究,全面发(fa)展绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)的(de)(de)(de)肥(fei)(fei)(fei)饲(si)综合利用(yong)价(jia)值,为绿(lv)(lv)(lv)(lv)肥(fei)(fei)(fei)产(chan)业可持(chi)续发(fa)展提供依(yi)据。
欧宝体育