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mu he you lin shi fei xiao ying shi yan
Author(s): 
Pages: 102-104
Year: Issue:  8
Journal: Anhui Agricultural Science Bulletin

Keyword:  木荷幼林施肥效应;
Abstract: 于2008-2010年进行了木荷防火林带幼林施肥试验.结果表明:木荷幼林施肥效果显著;氮和磷是木荷幼林树高及地径生长的主要因子,单施氮肥(N100kg/hm2)3a生树高生长增益为23.6%,地径生长增益35.3%;单施磷肥(P2O525kg/hm2、50kg/hm2、100kg/hm2),树高增益14.6%~22.8%,地径增益17.6%~29.4%;氮磷配合(N100kg/hm2、P20550kg/hm2),树高增益为34.1%,地径增益为39.7%,肥效指数为2.51;最佳的施肥组合及配比为100kg/hm2N、50kg/hm2P2O5、100kg/hm2K2O配合施用,3a生树高增益可达41.5%,地径增益可达48.5%,肥效指数为2.97.对木荷防火林带幼林进行施肥,既促进木荷早成林成材,又提高其防火效能,值得推行.
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