Abstract
The distribution characteristics of soil nutrient of bamboo forests in Jiangxi Province 6 main producing bamboo counties were studied. The results showed that the soil nutrient contents decreased with depth. The soil organic matter contents in Sanzhualun (SZL) and YangLing bamboo forest were obvious higher than others. The 0-10 cm content available nitrogen in SZL and total nitrogen in Fengxin Jindong (FXJD)was the highest. The soil total nitrogen and available nitrogen of 10-30 cm and 30-50 cm in SZL were the highest, while these of 10-30 cm were the lowest in Tonggu Paibu (TGPB) and Tonggu Daixi (TGDX) and that of 30-50 cm in SZL. The differences of soil available phosphorus were a few in TGDX and Yifeng Shuangfeng (YFSF), and the changes were 3.33-4.06 mg kg-1 and 3.86- 4.42 mg kg-1. The soil available potassium of 0-10 cm and 10-30 cm layer in SZL bamboo forest were respectively 60.33 mg kg-1 and 35.78 mg kg-1 and both were the highest. In 30-50 cm soil layer, the soil available potassium content was the highest in TGDX, while the lowest in YFSF. Analysis of variance showed that the differences of soil organic matter and available nitrogen content were very significant between the layers of forests. The differences of total nitrogen and available potassium of 10-30 cm and 30-50 cm were very significant. There were no significant differences of soil available P and surface available K content.
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