| 不同肥料结构对稻田水流中养分平衡的影响 |
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| 引用本文： | 刘经荣,张德远.不同肥料结构对稻田水流中养分平衡的影响[J].江西农业大学学报,1994,16(4):328-332. |
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| 作者姓名： | 刘经荣 张德远 |
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| 作者单位： | 江西农业大学农学系 |
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| 摘 要： | 对在不同肥料结构条件下，双季稻田中随水流输入和输出的养分数量进行研究。结果表明：水流中养分的输出多于输入，其亏损趋势是钾＞氮＞磷；早稻期间养分输出多于晚稻，外排水是造成早稻期间养分亏损的主要原因；施用绿肥和稻草还田能显著减少氮素的输出，从而起到保氮作用。
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| 关 键 词： | 水稻 稻田 肥料 肥料结构 养分平衡 水流 |
THE EFFECTS OF DIFERENT STRUCTURE OF FERTITIZER ON THE NUTRIENT EQUIVALENCY OF WATERFLOW IN RICE FIELD |
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| Liu Jinrong ,Zhang Deyuan ,Zhou Wei Shen, Runping Wu Jianfu.THE EFFECTS OF DIFERENT STRUCTURE OF FERTITIZER ON THE NUTRIENT EQUIVALENCY OF WATERFLOW IN RICE FIELD[J].Acta Agriculturae Universitis Jiangxiensis,1994,16(4):328-332. |
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| Authors: | Liu Jinrong Zhang Deyuan Zhou Wei Shen Runping Wu Jianfu |
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| Abstract: | Under the conditions of different fertilizer structure,the input and output of nutrientquantity carried by water- flow into or out of double-rice field have been studied. The resultsshow that:(1)In the water-flow, the output nutrient is more than the input nutrient.The trend ofthe losses is:K > N > P,(2 ) The nutrient output quantity during the early- rice growth ismore than that during the rate-rice growth.(3)Out-drain is the main cause of nutrient lossesduring the growth of early-rice. (4) Returnng green manure and rice straw into field soil candecrease the output of nitrogen,which benefits the maintenance of nitrogen, |
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| Keywords: | the structure of fertilizer nutrient equivalency water-flow |
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