火烧对不同林分土壤腐殖质和土壤肥力影响的研究

›› 1997, Vol. 33 ›› Issue (zk1): 31-38.

• 论文及研究报告 • Previous Articles Next Articles

THE EFFECT ON THE CONTROLLED BURNING TO THE SoIL HUMUS AND FERTILITY IN DIFFERENT FOREST STANDS

Yang Yusheng,He Zongming,Yu Xintuo,Huang Zhenhua,Xiao Huosheng

Fujian College of Forestry Nanping 353001;Farm of Tree Cutting And Planting of Yizhou Sha County 365100

Received:1996-07-16 Revised:1900-01-01 Online:1997-04-25 Published:1997-04-25

Abstract

Abstract: The surface soil layer humus and fertility in Chinese fir，Pinus massoniana and evergreen broad leaved forests before and after controlled burning were studied．After controlled burning，the soil or-ganic matter and total N of surface soil layer decreased．the activities of soil biochemistry strength-ened,the amount of available nutrient supply enhanced．Soil humus，the ratio of HA/FA，humic acid and E₄ value decreased， E₄/E₆ elevated，loosely and tightly combined humus contents and its ratio deseended，the activation of soil humus decreased．It was unfavov able to maintain ventilation penetration and forest soil fertility．

Key words: Controlled burning, Soil humus, HA/FA value, E₄ value, Loose and dense com-bined humus ratio(I/Ⅲ), Soil fertility

Yang Yusheng;He Zongming;Yu Xintuo;Huang Zhenhua;Xiao Huosheng. THE EFFECT ON THE CONTROLLED BURNING TO THE SoIL HUMUS AND FERTILITY IN DIFFERENT FOREST STANDS[J]. , 1997, 33(zk1): 31-38.

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THE EFFECT ON THE CONTROLLED BURNING TO THE SoIL HUMUS AND FERTILITY IN DIFFERENT FOREST STANDS

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