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- This paper analyses preliminarily the effect on converting cropland to forest project constructing from ecological,economical and social aspects. 从生态、经济和社会角度初步分析了四川省退耕还林工程建设成效。
- convert cropland to forests or grasslands 退耕还林
- Converting cropland to forest project 退耕还林
- converting cropland to forest and grassland 退耕还林
- Comparison of Farmers'Income Structure before and after Converting Cropland to Forest 退耕还林前后农户收入结构比较
- Discussion on the Scope of Converting Cropland to Forest or Grass Land in the West Region 西部地区退耕还林还草尺度问题的探讨
- Study on Tree-Crown Extraction from QuickBird Imagery Based on Object-Oriented Approach in the Project of Converting Cropland to Forest 基于面向对象技术的退耕还林树冠遥感信息提取研究
- converting cropland to forests 退耕还林
- converting cropland to forest 退耕还林
- Therefore, in the hill of the Loess Plateau, converting cropland to forestland and grassland is good for improving the conditions of soil nutrient. 因此,在黄土高原丘陵区,坡地退耕还林,恢复植被,可以有效改善土壤养分状况。
- Study on The Conversion of Cropland to Forest Monitoring and Management Information System Construction. 退耕还林监测与管理信息系统建设研究。
- Convertion of Cropland to Forest Program is an ecological conservation program that participating farmer households is by far the most in China. 退耕还林工程是迄今为止我国农户参与面最广的一项生态建设工程。
- This paper analyzes the policy of the conversion of cropland to forests based on economics theory of externalities, covering the necessity of compensation policy and its implementing. 摘要以西部退耕还林工程的生态补偿问题为研究对象,运用经济学的外部性理论对退耕还林补偿政策及相关生态补偿政策进行了分析与评述。
- converting cropland to forestland 退耕还林
- The findings indicated that, to choose suitable plants and the disposition proportion in Cropland to Forest were more advantageous to the soil fertility enhancement. 摘要对青海大通县北川河流域退耕还林地土壤化学性质研究结果表明,退耕还林中选择适宜的树种及配置比例更有利于土壤肥力的提高。
- converting cropland to foresfland project 退耕还林
- converting cropland to forestland and grassland 退耕还林
- converting cropland to woodland (grassland) 退耕还林(草)
- The land previously cultivated returned to forest. 以前开垦过的那片土地现在又成了森林了。
- The results showed that on the natural geographical conditions of Wuqi County, vegetation can be recovered by returning cropland to forest and grazing prohibition in mountains to control soil erosion. 结果表明,在吴旗县这样的自然地理条件下,通过退耕还林、封山禁牧,植被完全可以得到恢复,完全可以达到控制水土流失的目的。