| 播种量对秋播苜蓿越年草产量的影响 |
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| 作者单位： | 西北农林科技大学动物科技学院 陕西杨凌71210 |
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| 摘 要： | 苜蓿播种量从10.0～45.0kg/hm~2设8个处理,研究不同播种量对越年草产量影响。结果表明:不同播种量对苜蓿越年草产量有显著影响,播种量10.0～35.0 kg/hm~2,苜蓿越年草产量随播种量增加而提高,播种量超过35.0 kg/hm~2,苜蓿越年草产量不再随播种量增加而提高;陕西关中农区苜蓿播种量控制在15.0～35.0 kg/hm~2,有利于提高其越年草产量。
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| 关 键 词： | 苜蓿 播种量 产量 |
Effect of Alfalfa Sowing Quantity in Autumn on Fresh Yield in the Second Year |
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| Authors: | YU You-cheng ZHAO Yong-hong GUO Hai-jun LI Yu-yong |
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| Abstract: | The effects of alfalfa sowing quantity at 8 levels from 10 kg/hm~2 to 45 kg/hm~2 in Autumn on fresh yield in the second year were studied in this paper.The results showed that sowing quantity of al- falfa has significant effect on fresh yield in the second year.Alfalfa fresh yield in the second year was raised with the increase of sowing quantity from 10 kg/hm~2 to 35 kg/hm~2.When sowing quantity was above 35 kg/hm~2,alfalfa fresh yield was not improved.The suitable sowing quantity at Guanzhong area of shaanxi was 15.0 kg/hm~2 to 35 kg/hm~2,which would increase the grass yield in the second year. |
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| Keywords: | alfalfa sowing quantity yield |
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