중국 감숙성 백은시 사막지역의 사막화 방지를 위한 식생조림 연구

다국어 초록 (Multilingual Abstract)

The purpose of this study was to develop an appropriate technique of erosion control engineering for preventing the spread of desertification in the long-term by performing the desert afforestation in Gansusheng Baiyin desert area in China. While the coverage ratio of the slope of shade and half shade in the surveyed area was 10-20%, the coverage ratio of the slope of sunny and half sunny area was 5-10%. The gray calcium soil was accounted for 82% of all of the survey area. The amount of potassium was highest whereas the amount of nitrogen and phosphorus was relatively low. The soil bulk density was 0.98-1.27g/cm3. The soil was a strong alkali with the range of pH 8.2-9.0. It was noticed that the area planted in 2002 showed the highest survival rate, and especially, the survival rate of all surveyed area was over 86%. Shoot growth was 37.9-139.8cm, 32.4-116.5cm, and 14.5-96.7cm from the area planted in 2001, 2002, and 2003, respectively. Among hardwood species, Populus maximowiczii and Robinia pseudoacacia. showed the highest shoot growth. This result indicates that Populus maximowiczii and Robinia pseudoacacia. are the most suitable species for the desert afforestation in Baiyin City, Gansusheng, China.

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