论文部分内容阅读
杉木[Cunninghamialanceolata(Lamb.)Hook.]人工林土壤立地大多供P不足,杉木幼林施用磷肥肥效显著。李贻铨等认为施P、K肥能促进杉木幼林生长[1,2];叶仲节认为幼林施P肥初期有效,施N无效,施K还会出现负效应[3]。作...
Chinese fir [Cunninghamialanceolata (Lamb.) Hook. ] Plantation soil mostly for lack of P site, young plantation phosphorus fertilizer application significantly. Li Yiquan and others think that applying P and K fertilizers can promote the growth of young Chinese fir seedlings [1,2]. Ye Zhongjie believes that early P fertilizer application in young forest is effective and N application is ineffective, and negative effect will occur in K application [3]. Make ...