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当前位置: 首页 > 文章 > 刈割次数、施氮量和豆禾比例对混播草地产量及品质的影响 畜牧与饲料科学 2010,31 (8) 74-78
Position: Home > Articles > Effect of Mowing Frequency,Nitrogen Rate and Mixed Seeding Ratio of Legume-grass on Yield and Quality of Mixture Pasture Animal Husbandry and Feed Science 2010,31 (8) 74-78

刈割次数、施氮量和豆禾比例对混播草地产量及品质的影响

作  者：
WU Yong-xia
单  位：
Guizhou Pratacultural Research Institute,Dushan 558200,China
关键词：
cv;mixture pasture;nitrogen rate;mowing frequency;grass;legum
摘  要：
试验选择豆禾比例、施氮量和刈割次数3个试验因子,对海发白三叶与纳雍鸭茅混播草地建立综合管理优化模式,以确定最佳的管理因子,并对混播草地营养成分进行了分析。结果表明,豆禾比例为1∶3、施氮量为300kg/hm2、刈割6次时,鲜草产量达73.00t/hm2,粗蛋白质含量达17.22%,粗脂肪含量为5.34%,同时杂草入侵最少,是建植海发白三叶与纳雍鸭茅混播草地最理想的试验方案。
译  名：
Effect of Mowing Frequency,Nitrogen Rate and Mixed Seeding Ratio of Legume-grass on Yield and Quality of Mixture Pasture
作  者：
LUO Tian-qiong1,2,LI Xiang-lin1,MA Ning2,ZHAO Ming-kun2,WAN Li-qiang1,WU Yong-xian2(1.Institute of Animal Science,Chinese Academy of Agricultural Sciences,Beijing 100193,China;2.Guizhou Pratacultural Research Institute,Dushan 558200,China)
关键词：
mowing frequency;nitrogen rate;mixed seeding ratio of legume-grass;mixture pasture;yield;quality
摘  要：
Three trial factors,mowing frequency,nitrogen rate and mixed seeding ratio of legume-grass,were selected to construct the integrated management optimization model for mixture pasture of Trifolium repens L.cv.Haifa and Dactylis glomerata L.cv.Nayong.The optimal management factors were determined,and the nutrients of the mixture pasture were analyzed.The best trial program for the mixture pasture of Trifolium repens L.cv.Haifa and Dactylis glomerata L.cv.Nayong are as follows:the mixed seeding ratio of legume-grass,1:3;nitrogen rate,300 kg/hm2;and mowing frequency,6 times.Under these conditions,the fresh forage yield reached 73.00 t/hm2;the crude protein content reached 17.22%;the crude fat content reached 5.34%;and the least weeds invaded the mixture pasture.

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