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Root Distribution of Populus × xiaozhuanica cv. ‘Chifengensis’ Planted Under Low Coverage Belt-scheme

  • In this study, the root drilling was used to sample the space distribution of root length density (RLD) of the Populus × xiaozhuanica W. Y. Hsu et Liang cv. ‘Chifengensis’which were planted at low coverage belt scheme, the root weight density was measured by drying method simultaneously. The results showed that the total RLD changed dramatically (P P -3. With the distance increasing from tree, the RLD increased at first and decreased subsequently, and then increased slightly again. So, environment was the key factor influencing the root distribution. Thick root mainly distributed in inner-band. The fine root system of low coverage belt scheme mainly distributed at the depth of 0-40 cm in the study area. The thick root (>2.0 mm) mainly distributed below the depth 40 cm underground. It was found that the P. × xiaozhuanica ‘Chifengensis’ mainly use natural precipitation.
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Root Distribution of Populus × xiaozhuanica cv. ‘Chifengensis’ Planted Under Low Coverage Belt-scheme

  • 1. China Forest Exploration and Design Institute on Kunming, Kunming 650216, Yunnan, China
  • 2. Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
  • 3. Research Institute of Forestry of Chifeng, Chifeng 024000, Inner Mongolia, China
  • 4. Bureau of Forestry of Aohan, Chifeng 028000, Inner Mongolia, China

Abstract: In this study, the root drilling was used to sample the space distribution of root length density (RLD) of the Populus × xiaozhuanica W. Y. Hsu et Liang cv. ‘Chifengensis’which were planted at low coverage belt scheme, the root weight density was measured by drying method simultaneously. The results showed that the total RLD changed dramatically (P P -3. With the distance increasing from tree, the RLD increased at first and decreased subsequently, and then increased slightly again. So, environment was the key factor influencing the root distribution. Thick root mainly distributed in inner-band. The fine root system of low coverage belt scheme mainly distributed at the depth of 0-40 cm in the study area. The thick root (>2.0 mm) mainly distributed below the depth 40 cm underground. It was found that the P. × xiaozhuanica ‘Chifengensis’ mainly use natural precipitation.

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