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贵州主要高产稻田区水稻施肥效应

Cheng-wu FAN,Song QIN,Gui-lan YANG,Yao-ying HUANG,Chang-yuan YANG

Journal of Shanxi Agricultural Sciences（2012）

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Abstract
在贵州3个主要水稻高产稻田区进行水稻超高产条件下施肥效应研究.结果表明,在3个水稻超高产稻田区,处理3效果最好,即施用氮(纯氮)量为255 kg/hm2、钾量300 kg/hm2、锌量21 kg/hm2条件下水稻经济性状良好,产量最高.在一定范围内,随着施氮量的增加,产量不增加或有减少.施钾量和施锌量在合理施氮条件下呈正相关.
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Key words
rice,fertilization effect,high yield rice paddy field,Guizhou
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