The Variety Regulation Researeh of the Soil Humidity of the Shed Leaves Pine the Wood in the Daxinganling

doi:10.7668/hbnxb.2005.S1.022

Abstract

Abstract: Through measuration of soil quantity and bedrock and dynamic measuration of soil water arrange in 0~30cm in the shed leaves pine the wood in Ecosystem Position of Daxinganlin in 7-8,2003,the results are as follow:the average of soil bulk density on preface is 0.338g/cm³、1.352g/cm³ in 10、20cm and 20、30cm,then it would increase with depth arden;67.9 percent of bedrock distributes in soil depth of 10~20cm,the 32.1 percent in 20~30cm and distribution of bedrock is lessen with depth arden.In term of vertical distribution of mass water content of soil in 0~10cm will appear max value but its consume is most quick after rained.The most of mass water content of soil is second in 10~20cm,20~30cm appears at fouth day when the mass water content of soil of three floors is similar.In term of level distributing of mass water content of soil,the mass water content of soil is lessen with gradient deceased,that is,the mass water content of soil of ramp bottom is higher than its top's.

Key words: The shed leaves pine the wood in the Da xing an ling, Soil water

CLC Number:

LIU Hai-yan, WEI Jiang-sheng. The Variety Regulation Researeh of the Soil Humidity of the Shed Leaves Pine the Wood in the Daxinganling[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2005, 20(S1): 81-84. doi: 10.7668/hbnxb.2005.S1.022.

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