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shui tian yi ci shi fei ji shu ying yong xiao guo yan jiu
Author(s): 
Pages: 95-97
Year: Issue:  S1
Journal: Reclaiming and Rice Cultivation

Keyword:  长效肥 肥效 产量 经济效益;
Abstract: 经2004、2005两年试验示范表明,在保水保肥地块上施用长效肥,其中纯养分N142~234kg/hm2,P2O547 kg/hm2、K2O47kg/hm2完全能够满足水稻8439~9690kg/hm2产量的养分需要,且能平稳供肥,比常规施肥节省纯氮40~161kg/hm2,“宜农”牌长效肥节肥多。漏水地块,在基施长效肥基础上,仍以补追一次氮肥为宜,追施纯氮45.0~67.5kg/hm2就能满足水稻产量需要。此项技术可以减少劳动成本,提高效益,提高肥料利用率,减少肥料对环境的污染,可以在生产上扩大推广。
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