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lu liang xian da chun ma ling shu dan lin jia he li yong liang shi yan
Author(s): 
Pages: 4-7
Year: Issue:  6
Journal: Yunnan Agricultural Science and Technology

Keyword:  大春马铃薯肥料效应施肥量丰缺指标;
Abstract: 为了确定陆良县大春马铃薯氮、磷、钾合理用量,以马铃薯品种会-2号为材料,采用农业部推荐的“3414”试验方案设计,通过N、P、K肥的不同水平组合,进行随机区组试验设计,重复3次.研究结果表明,施用纯N 66.49 kg/hm2、P2O5 109.77 kg/hm2、K2O 90.68 kg/hm2的N、P、K组合产量最高,施用纯N 59.76 kg/hm2、P2O5 91.28 kg/hm2、K2O 87.99 kg/hm2的N、P、K组合可获得最佳经济产量.
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