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Influence of Different Nutrient Management on N-fertilizer Use Efficiency and Yield of Rice in Different Soil Fertility
Author(s): DING Zheli, PENG Jianwei, LIU Qiang, RONG Xiangmin, TIAN Chang, ZHANG Yuping
Pages: 30-
33
Year: 2010
Issue:
2
Journal: China Rice
Abstract: 以陆两优996为供试材料,采用田间小区试验,设计了3种养分管理模式,研究了中、低2种地力水平对早稻氮素利用效率及产量的影响.结果表明,施用氮肥在中低肥力地块上增产效果显著,与对照相比,施氮比不施氮能增产14.6%~41.7%,在中肥力地块氮肥利用效率为32.23%,低肥力地块氮肥利用效率为30.70%,分别比相同地力水平的农民习惯施肥处理高出了10.00%和8.36%;在相同的氮素水平下,低肥力地...
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