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- Title
Soil moisture content and fine root biomass of rubber tree (Hevea brasiliensis) plantations at different ages.
- Authors
Lin Xi-Hao; Chen Qiu-Bo; Hua Yuan-Gang; Yang Li-Fuv1; Wang Zhen-Hui
- Abstract
By using soil core sampling method, this paper studied the soil moisture regime of rubber plantations and the fine root biomass of Hevea brasiliensis in immature period (5 a), early yielding period (9 a), and peak yielding period (16 a). With the increasing age of rubber trees, the soil moisture content of rubber plantations increased but the fine root biomass decreased. The soil moisture content at the depth of 0-60 cm in test rubber plantations increased with soil depth, and presented a double-peak pattern over the period of one year. The fine root biomass of rubber trees at different ages had the maximum value in the top 10 cm soil layers and decreased with soil depth, its seasonal variation also showed a double-peak pattern, but the peak values appeared at different time. Soil moisture content and soil depth were the main factors affecting the fine root biomass of H. brasiliensis.
- Subjects
SOIL moisture; PLANT biomass; HEVEA; SOIL depth; TREES
- Publication
Yingyong Shengtai Xuebao, 2011, Vol 22, Issue 2, p331
- ISSN
1001-9332
- Publication type
Article