非包膜缓释复合肥对水稻氮素营养的效应研究
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S511

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国家高技术研究发展计划(863计划);科技部农业科技成果转化基金


Effect of Uncoated Slow-Release Compound Fertilizer on Nitrogen Nutrition of Rice
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    摘要:

    采用盆栽试验研究了非包膜缓释复合肥(SRCF)、包膜缓释复合肥(Multicote)和普通复合肥(CCF)对水稻植株生长和氮素营养的影响。结果表明,盆栽试验施用SRCF的水稻茎叶重、根冠比、含氮量、对肥料氮的吸收量和利用率与Multicote处理的相应指标较为相近,明显优于普通无机复合肥,这表明SRCF的氮素养分具有缓慢释放性能,并能满足水稻不同生长期的氮素需要。

    Abstract:

    Having researched the influences of the slow-release compound fertilizer(SRCF),the coated-release compound fertilizer(Multicote) and the common compound fertilizer(CCF) on the growth and nitrogen nutrition of rice by the pot culture experiment.The results showed that the changes of the rice stem and leaf weight,root/top ratio,N content of rice plant,fertilizer N in plant and apparent recovery efficiency of fertilizer N in the treatment applied SRCF accorded with that of Multicote,and was obvious better than the CCF.This indicated that nutrient released slowly from SRCF could meet the need of rice at the different growth stages.

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胡小凤,苏胜齐,王正银,李文一,张敏.非包膜缓释复合肥对水稻氮素营养的效应研究[J].水土保持学报,2007,(6):135~138

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  • 最后修改日期:2007-07-03
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