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Position: Home > Articles > Response of Young Sequoia sempervirens to Fertilization in Yunnan Forestry Science & Technology 2004,29 (4) 13-16

北美红杉幼林施肥效应研究

作  者:
彭明俊;左显东;陶国祥;汪政初
单  位:
云南省林业科学院;云南省屏边县林科所
关键词:
北美红杉;幼林;施肥效应
摘  要:
20 0 0~ 2 0 0 2年 ,在云南红河州屏边县对北美红杉幼林的施肥效应、合理施肥量及施肥配比进行了研究 ,结果表明 :(1)施用N肥、P1对北美红杉幼林生长有显著的促进作用 ;施用P2 ,P3 对北美红杉的生长有抑制作用 ;K肥肥效不明显。 (2 )施用N肥 (4 4 4kg/hm2 ) ,树高、地径分别比对照提高 2 2 9% ,31 7% (2 0 0 1年 ) ;2 3 6 % ,2 2 0 %(2 0 0 2年 ) ;施用P1(2 2 2kg/hm2 ) ,分别提高 15 1% ,9 2 % (2 0 0 1年 ) ;11 1% ,10 7% (2 0 0 2年 )。 (3)N ,P ,K配合施用效果显著 ,2 0 0 1年用NP2 K2 处理 ,树高、地径分别比对照增加 97 8% ,10 0 3% ;2 0 0 2年用NP2 K2 处理 ,则增加 78 5 % ,6 6 1%。
译  名:
Response of Young Sequoia sempervirens to Fertilization in Yunnan
作  者:
PENG Mingjun (Yunnan Academy of Forestry,Kunming 650204)
关键词:
Sequoia sempervirens;Response to fertilizers;Young plantation
摘  要:
During 2000~2002,responses of Sequoia sempervirens to fertilizers and rational application of fertilizers in Pingbian County,Yunnan Province were conducted.N and P 1 fertilizers could increase the growth of Sequoia sempervirens.P 2 and P 3 fertiizers could decrease the growth.The effect of K fertiizer is no remarkable response.Sequoia sempervirens had the most significant response to 44.4 kg/hm 2N. Compared with the control,the tree height,ground diameter were in creased by 22.9%,31.7%(2001).Although there was no remarkable response of the tree to K fertilizer,good growth response to N+P 2+K 2 fertilizers existed in the treatment.Tree height,ground diameter were increased by 97.8%,100.3%,respectively(in 2001),there were in creased by 78.5%,66.1%,in comparision with the control.

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