| 翻压紫云英后化肥用量对稻田养分动态变化及产量效应的影响 |
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| 引用本文： | 吕玉虎,潘兹亮,王琴.翻压紫云英后化肥用量对稻田养分动态变化及产量效应的影响[J].中国农学通报,2011,27(3):174-178. |
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| 作者姓名： | 吕玉虎 潘兹亮 王琴 |
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| 作者单位： | 信阳市农业科学研究所,河南,信阳,464000 |
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| 基金项目： | 公益性行业(农业)科研专项经费项目“绿肥作物生产与利用技术集成研究及示范”(200803029) |
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| 摘 要： | 研究了翻压紫云英后化肥用量对稻田土壤养分状况及水稻植株N、P、K累积吸收量的影响，并对水稻产量效应进行了分析。结果表明，翻压紫云英并配施化肥增加了水稻分蘖盛期后的土壤速效氮和速效钾含量，比单施化肥能更好地满足水稻生长中后期对N、K养分的需要，到成熟期，翻压紫云英并配施化肥时水稻植株N、K累积吸收量比仅施化肥处理的高，翻压紫云英更有利于水稻籽粒的形成。在翻压紫云英22500 kg/hm2后，以施用N 132kg/hm2、P2O5 90 kg/hm2、K2O 90 kg/hm2（化肥常规用量的80%）对水稻增产效果最好，水稻产量达到9424.5 kg/hm2，比单施化肥增产5.19%，增产达显著水平。翻压紫云英后，化肥用量可以减少20%，利用紫云英作稻田绿肥，能达到增收节支、节能减排的良好效果。
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| 关 键 词： | 转基因食品 标识管理 安全性评价 溯源 转基因食品 标识管理 安全性评价 溯源 |
| 收稿时间： | 6/9/2010 12:00:00 AM |
| 修稿时间： | 2010/7/27 0:00:00 |
Effects of Different Amount of Chemical Fertilizer Usage under Ploughing down Milk Vetch on the Yield and the Dynamics of Soil Nutrients in Rice Filed |
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| Lv Yuhu,Pan Ziliang,Wang Qin.Effects of Different Amount of Chemical Fertilizer Usage under Ploughing down Milk Vetch on the Yield and the Dynamics of Soil Nutrients in Rice Filed[J].Chinese Agricultural Science Bulletin,2011,27(3):174-178. |
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| Authors: | Lv Yuhu Pan Ziliang Wang Qin |
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| Institution: | Lv Yuhu,Pan Ziliang,Wang Qin(Xinyang Agricultural Science Research Institute,Xinyang Henan 464000) |
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| Abstract: | The effects of different amount chemical fertilizer usage under ploughing down milk vetch on nutrients status in rice filed and the accumulated absorption of N,P,K in rice was studied.The influence of rice yield was analyzed too.The results showed that different chemical fertilizer amount under ploughing down milk vetch could increase the content of available N and K of soil after the peak of tillering season,and offer more N,K nutrients for rice growth and development than those of the treatment only apply... |
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| Keywords: | milk vetch chemical fertilizer amount rice the dynamics of soil nutrients yield |
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