| 包膜肥料对水稻土壤渗滤液中NO2--N、NO3--N、NH4+-N的影响 |
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| 引用本文： | 韩艳玉,邹洪涛,张玉龙,徐萌,于洋,刘洋,王剑.包膜肥料对水稻土壤渗滤液中NO2--N、NO3--N、NH4+-N的影响[J].辽宁工程技术大学学报(自然科学版),2011,30(5):742-746. |
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| 作者姓名： | 韩艳玉 邹洪涛 张玉龙 徐萌 于洋 刘洋 王剑 |
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| 作者单位： | 沈阳农业大学,土地与环境学院,农业部东北土壤与环境重点开放实验室,土肥资源高效利用国家工程实验室,辽宁,沈阳,110161 |
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| 基金项目： | 国家自然科学基金资助项目(31000936); 教育部重点资助项目(209032); 中国博士后科学基金资助项目(20090450158); 十一五国家科技支撑项目(2007BAD89B02) |
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| 摘 要： | 通过有机玻璃土柱盆栽试验,研究了包膜肥料在水稻不同生育期对不同深度土层的土壤渗滤液中NO2--N、NO3--N、NH4+-N含量的影响。结果表明,土壤渗滤液中NO2--N、NO3--N、NH4+-N质量浓度随着水稻的生长逐渐降低;在水稻分蘖期和拔节期,随着土壤深度的增加NO2--N、NO3--N含量呈现先减小后增大的趋势,NH4+-N含量呈现先增大再减小再增大的趋势;在水稻抽穗期和成熟期,NO2--N、NO3--N含量呈现逐渐减小的趋势,NH4+-N含量呈现增大的趋势。在水稻生育期内与施用普通尿素UR相比,包膜肥料LP40、LPSS、SC60氮素渗滤损失总量分别降低了58.27%,46.38%,33.30%。
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| 关 键 词： | 包膜肥料 NO2--N NO3--N NH4+-N N 土壤渗滤液 水稻 环境影响 |
Effect of coated urea on NO_2-N,NO_3-N,NH_4~+-N in rice soil leachate |
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| HAN Yanyu,ZOU Hongtao,ZHANG Yulong,XU Meng,YU Yang,LIU Yang,WANG Jian.Effect of coated urea on NO_2-N,NO_3-N,NH_4~+-N in rice soil leachate[J].Journal of Liaoning Technical University (Natural Science Edition),2011,30(5):742-746. |
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| Authors: | HAN Yanyu ZOU Hongtao ZHANG Yulong XU Meng YU Yang LIU Yang WANG Jian |
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| Institution: | HAN Yanyu,ZOU Hongtao,ZHANG Yulong,XU Meng,YU Yang,LIU Yang,WANG Jian(College of Land and Environmental Sciences,Shenyang Agricultural University/Northeast Key Laboratory of Soil and Environment,Ministry of Agriculture/National Engineering Laboratory for High Efficiency Utilization of Soil and Fertilizer,Shenyang 110866,China) |
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| Abstract: | A pot experiment was conducted to study the effect of coated urea on NO2--N,NO3--N,NH4+-N in soil leachate in different soil layers at different rice growth stages.Results show that the NO2--N,NO3--N,NH4+-N concentrations in soil leachate decrease with the rice growth.During tillering and joining stage,the NO2--N,NO3--N concentrations in soil leachate decrease earlier,and then increase later with soil depth increases.On the other hand,the NH4+-N concentration in soil leachate increases earlier,then decrease... |
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| Keywords: | coated urea NO2--N NO3--N NH4 -N N soil leachate rice environmental effect |
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