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Acemap > Paper > 毛白杨人工幼林施用N、P、K效果的研究

毛白杨人工幼林施用N、P、K效果的研究

1990 
O=4∶3∶0.5;最佳施肥量与最佳配比二者组合的林木生长更快,材积比对照提高一倍.施肥增加了毛白杨叶子中叶绿素和N、P、K的含量,同时叶重、叶面积等也有所增加,因而促进了毛白杨生长.
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