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杉木福建柏混交林效益研究
引用本文:张翠英.杉木福建柏混交林效益研究[J].福建林业科技,1999,26(3):33-37.
作者姓名:张翠英
作者单位:南平市林业委员会!福建省南平市353000
摘    要:通过对杉木福建柏混交林中单株生物量组成、土壤团粒组成、土壤孔隙和水分状况的研究分析, 结果表明: 混交林中杉木每hm 2 蓄积量是杉木纯林的169 倍, 细根量是杉木纯林的15 倍; 与纯林相比, 混交林中0~20cm 土层> 025m m 水稳性团聚体高出901% ; 结构体破坏率低1582% ; 有机质和水解性 N 含量分别高0245% 和131×10- 6; 毛管孔隙、非毛管孔隙、总孔隙高009% 、091% 、100% , 土壤容重低0057gcm - 3; 最大持水量、最小持水量、毛管持水量分别高300% 、350% 、204% ; 混交林40cm 土层含水量也比纯林大155t·hm - 2。由于混交林的结构较为合理,能一定程度改善土壤理化性质、提高林分生产力,是一种值得推广的造林模式。

关 键 词:杉木  福建柏  混交林  效益

Studies on the Benefit of the Mixed Forest of Cunninghamia lanceolata and Fokienia hodginsii
Zhang Cuiying.Studies on the Benefit of the Mixed Forest of Cunninghamia lanceolata and Fokienia hodginsii[J].Journal of Fujian Forestry Science and Technology,1999,26(3):33-37.
Authors:Zhang Cuiying
Abstract:The results indicate that the stocking of Cunninghamia lanceolata per hm 2 in the mixed forest is 1 69 times as much as that of pure C.lanceolata forest per hm 2.The structure of the mixed forest is relatively rational and the mixed forest can improve the soil physical and chemical properties to a certain degree and can raise the stand productivity.Therefore the mixed forest is a planting pattern which is worth popularizing.
Keywords:Cunninghamia lanceolata  Fokienia hodginsii  Mixed forest  Benefit
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