Content of organic carbon in shallow soil profile under 3 forest types

Abstract

Abstract: The contents of organic carbon and water in shallow soil profile,under the pine,oak and shrubbery forests,were measured and analyzed in Spring and Autumn at the hill in Bangchui Island of Dalian City.The results showed that there were obvious diversities of the contents of organic carbon and water in soil profile of different plant processes,the carbon and water contents of pine soil were higher than those of oak and shrubbery soils in the mass,and the distribution orderliness of the carbon and water contents was identical basically.The carbon and water contents of same plant processes were also different clearly,meanwhile the distribution of carbon and water contents presented a decrease trend with the increase of soil depth as a whole.The carbon and water contents of same plant processes in Autumn were higher than those in Spring as a whole.

Key words: Biorational pesticide, Agricultural methods, Rice, Pest organism, Efficacy

CLC Number:

S714

LI Hongbo, SHI Kun, SUN Yonghong. Content of organic carbon in shallow soil profile under 3 forest types[J]. cje, 2005, (10): 1230-1233.

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