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Trial result of nitrogenous fertilizer
Author(s): 
Pages: 31-33
Year: Issue:  4
Journal: GUANGXI SUGARCANE & CANESUGAR

Keyword:  不同氮肥施用量甘蔗产量蔗糖产值经济效益;
Abstract: 甘蔗生长期长、产量高,需氮肥较多,在亩施磷肥折P2O515公斤、钾肥折K2O24公斤基础上,施用不同氮肥量试验结果表明:施氮肥均比不施氮肥有显著的增产效果,增产幅度为24.26%-67.62%.以亩施纯氮30公斤甘蔗增产效果最好,分别比不施氮肥、亩施纯氮10公斤、20公斤和40公斤处理,亩增产糖料蔗3241公斤、2078公斤、1088公斤和233公斤,且对提高甘蔗蔗糖含量亦有较好的效果.
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