| 川西北高寒牧区紫花苜蓿年度产草量动态研究 |
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| 引用本文： | 何光武,张瑞珍,刘登锴,马涛.川西北高寒牧区紫花苜蓿年度产草量动态研究[J].四川畜牧兽医,2011,38(4):23-24,28. |
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| 作者姓名： | 何光武 张瑞珍 刘登锴 马涛 |
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| 作者单位： | 1. 四川省草原工作总站,四川成都,610041
2. 四川省甘孜州草原站,四川康定,626000 |
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| 摘 要： | 在川西北高寒牧区通过对3个紫花苜蓿品种播种后连续7年(2003～2009年)的刈割利用,对其年度产草量进行了动态研究,结果表明:紫花苜蓿在该地区种植利用,播种当年产草量较低,次年可形成生产能力,第4～5年产量达到高峰,随之开始下降,第7年下降至播种后第2年的产量水平.因此,3个紫花苜蓿品种在川西北建立人工刈割草地时,播...
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| 关 键 词： | 高寒牧区 紫花苜蓿 产草量 动态 |
Study on the output dynamic of alfalfa in northwest of Sichuan province |
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| HE Guang-wu,ZHANG Rui-zhen,LIU Deng-kai,et al..Study on the output dynamic of alfalfa in northwest of Sichuan province[J].Sichuan Animal & Veterinary Sciences,2011,38(4):23-24,28. |
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| Authors: | HE Guang-wu ZHANG Rui-zhen LIU Deng-kai |
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| Institution: | HE Guang-wu1,ZHANG Rui-zhen1,LIU Deng-kai2,et al.(1.General Grassland Station of Sichuan Province,Sichuan Chengdu 610041,China,2.Ganzi Prefecture Grassland station of Sichuan Province,Sichuan Kangding 626000,China) |
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| Abstract: | 3 different introduced varieties of alfalfa were tested and observed on their growth and productive characters from the year of 2003 to 2009.The results showed that: alfalfa was planted in this region,all these varieties had lower yield in the first year,the production capacity was formed at the second year,it began to rise in the following years,and peaked at the fourth of fifth year,falling from then on it declined to the level of second year at seventh year.So the establishment of a manual alfalfa grassl... |
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| Keywords: | Alpine pastoral area Alfalfa Output Dynamic |
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