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[1]LIU Jiang-hua,LIU Guo-bin,CHEN Shu-yun.Relationship Between Soil Moisture of Robinia pseudoacacia Forests and Aboveground Biomass of Understory Vegetation[J].Research of Soil and Water Conservation,2009,16(03):57-60.

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Relationship Between Soil Moisture of Robinia pseudoacacia Forests and Aboveground Biomass of Understory Vegetation

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 03 Page number: 57-60 Column: Public date: 2009-06-20

Title:: Relationship Between Soil Moisture of Robinia pseudoacacia Forests and Aboveground Biomass of Understory Vegetation

Author(s):: LIU Jiang-hua^1,2, LIU Guo-bin², CHEN Shu-yun¹; 1. Northwest Forestry University, Kunming 650224, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China

Keywords:: Robinia pseudoacacia; soil moisture content; aboveground biomass

CLC:: S715;S714.3

DOI:: -

Abstract:: By studying on soil water content(SWC%)and aboveground biomass of understory vegetation of Robinia pseudoacacia tree-land and abandoned farmland in Ansai county, the results showed that SWC% of Robinia pseudoacacia tree-land decreased with the trees growing-up. SWC% variation coefficient at 0-140 cm depth increased with the trees growing-up, but that of 140-500 cm depth had adverse trend. Aboveground biomass of understory vegetation of matured and over-matured tree-lands was faintly higher than that of abandoned farmland. We concluded that the productivity of Robinia pseudoacacia tree-land did not descend although the trees consumed most soil water and SWC% dropped down seriously.

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