Ana lysis on So il Physic-chem ica l Properties of Na tura l Forest10 Years after High Inten sity Cutting

ZHENG Li-feng; ZHOU Xin-nian; WU Zhi-long; LUO Ji-zhang; CAI Rui-tian; LIN Hai-ming

The soil physic-chemical p roperties of natural mixed stand of conifer and broad-leaved trees in differentcutting operation site after 10 years ( high intensity, 45. 8%; over-high intensity 67. 1%; clear cutting)were quantitatively analyzed. The results showed that the bulk density of soil and the damage rate of soil structure increased,while the saturated water retention of soil and the total porosity of soil decreased. The content of soil nutrient generally decreased. The soil aggregate, soilwater content p roperty and porosity, and soil nutrientwere not recovered after 10 years. With the felling intensity increasing, the destruction has deteriorated.

1. Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian China

2. J ian’ou Forestry Bureau of Fujian Province, J ian’ou　353100, Fujian, China

Received Date: 2007-07-06

Abstract: The soil physic-chemical p roperties of natural mixed stand of conifer and broad-leaved trees in differentcutting operation site after 10 years ( high intensity, 45. 8%; over-high intensity 67. 1%; clear cutting)were quantitatively analyzed. The results showed that the bulk density of soil and the damage rate of soil structure increased,while the saturated water retention of soil and the total porosity of soil decreased. The content of soil nutrient generally decreased. The soil aggregate, soilwater content p roperty and porosity, and soil nutrientwere not recovered after 10 years. With the felling intensity increasing, the destruction has deteriorated.

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Reference (15)

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Ana lysis on So il Physic-chem ica l Properties of Na tura l Forest10 Years after High Inten sity Cutting

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