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连续十年施用不同肥料对土壤养分累积的研究

Effect of Ten-year Successlve Application of DifferentFertilizers on Accumulation of Soil Nutrients

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【作者】 林炎金林增泉

【Author】 Lin Yanjin and Lin Zengquan(Soil and Fertiltzer Institute,Fuzhou 350013)

【机构】 福建省农科院土壤肥料研究所

【摘要】 连续十年施肥的处理区,不仅作物产量比对照区高,带走氮、磷、钾量相应增多,而且土壤氮、磷总贮量和有效性含量亦提高,土壤钾素贮量虽略有下降,但都在5%以内,有效钾含量却略有增加。

【Abstract】 The yield and relative N,P,K-removed amounts in the treated block of ten-year succes-sive fertilization were not only higher than that of the check block,but also the reserved and avail-able contents of soil N,P increased.Although the reserved K in soil declined slightly within 5%。the content of available K increased limitedly.

【关键词】 施肥土壤养分累积
【Key words】 Fertilizer applicationSoil nutrientAccumulation
  • 【分类号】S147.2
  • 【被引频次】50
  • 【下载频次】135
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