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| 不同水肥调控模式对稻田土壤氮磷肥力的影响试验 | |
| 引用本文： | 何军,崔远来,吕露,赵树君.不同水肥调控模式对稻田土壤氮磷肥力的影响试验[J].灌溉排水学报,2011,30(4):1-4,52. |
| 作者姓名： | 何军 崔远来 吕露 赵树君 |
| 作者单位： | 1. 武汉大学水资源与水电工程科学国家重点实验室,武汉430072／三峡大学水利与环境学院,湖北宜昌443002 2. 武汉大学水资源与水电工程科学国家重点实验室,武汉,430072 3. 武汉大学水资源与水电工程科学国家重点实验室,武汉430072／中国水电顾问集团中南勘测设计研究院,长沙410014 |
| 基金项目： | 国家自然科学基金项目(50839002) |
| 摘 要： | 选取湖北省漳河灌区,开展了不同水肥调控模式下稻田土壤氮磷肥力影响试验,分析了2种灌溉方式、3种施氮方式互作条件下稻田土壤氮、磷含量的变化及其显著性测验（a=0.05）。结果表明,间歇灌溉能较好维持稻田耕作上层（0～20cm）土壤全氮、全磷含量,对耕作下层（20～40cm）土壤全氮、全磷的维持和促进较差;淹灌对稻田下层（... |
| 关 键 词： | 水肥调控 稻田 土壤 氮 磷 |
Effects of Different Water and Fertilizer Application on Paddy Soil N and P Fertility |
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| HE Jun,CUI Yuan-lai,LV Lu,ZHAO Shu-jun.Effects of Different Water and Fertilizer Application on Paddy Soil N and P Fertility[J].Journal of Irrigation and Drainage,2011,30(4):1-4,52. | |
| Authors: | HE Jun CUI Yuan-lai LV Lu ZHAO Shu-jun |
| Institution: | HE Jun1,2,CUI Yuan-lai1,LV Lu1,3,ZHAO Shu-jun1(1.State Key Laboratory of Water Resources and Hydropower Science,Wuhan University,Wuhan 430072,China,2.College of Hydraulic & Environmental Engineering,China Three Gorges University,Yichang 443002,3.Mid-south Design and Research Institute,China Hydropower Engineering Consulting Group Co.,Changsha 410014,China) |
| Abstract: | Based on the paddy soil productivity on nitrogen and phosphorus,experiment was carried out under different water and fertilizer application in ZIS,Hubei province.The content change of nitrogen and phosphorus of paddy soil under 2 irrigation models combined with 3 nitrogen application had been analyzed,the same as that of its significance test(significance level a=0.05).The result showed that the conservation of total nitrogen,total phosphorus content at upper layer(0～20 cm) of paddy soil under alternate wet and dry irrigation(AWD) was better than that at lower layer(20～40 cm).The promotion and recovery of total phosphorus content at lower layer(20～40 cm) of paddy soil under flood irrigation was significant.Compared with no N treatment,the 4 times N treatment could promote the development and conservation of nitrate nitrogen at upper layer(0～20 cm) obviously,and cut down the content of ammonium nitrogen at the lower layer(20～40 cm) significantly.There was significant difference relatively between total phosphorus content at upper layer(0～20 cm) of paddy soil caused by 4 times N and 2 times N treatments. |
| Keywords: | water and fertilizer application paddy field soil nitrogen phosphorus |
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