CCFG

In this paper, the historical course of the Cropland Conversion to Forest and Grassland ( CCFG) is divided into four development stages: call and mobilization stage, experiment and demonstration stage, project construction stage and later consolidation stage.

研究表明，中国退耕还林进程可划分为4个阶段：号召动员阶段、试点示范阶段、工程建设阶段、后期巩固阶段。

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There are obvious permeability differences in different age of converting cropland to forest, the most infiltration rate of soil of CCFG is 11.37 times of cropland, the infiltration deepness is 10.59 times of cropland in the same quantity of infiltration water.

不同退耕年限土壤的渗透性能存在差异，同样渗水量退耕还林土壤最大渗透速率是农耕地的11.37倍，渗透深度为10.59倍。

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First, subsidizing standard is relatively high, compensation by a large scale for a long time is difficult to support, it will also twist the goal of CCFG.

即补助标准总体较高，长期大面积补偿，国力难以支撑，还会扭曲退耕还林还草的目标；

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The Eucalyptus grandis plantation as a kind of tree for the Cropland Conversion to Forest and Grassland ( CCFG) has a good ecological and economic benefit.

巨桉作为优良的退耕还林（草）工程和脆弱生态系统恢复树种，表现出良好的生态效益。

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There is a harmonious problem between Conversion of Cropland to Forest and Grassland ( CCFG) policy and food problems.

退耕还林政策与粮食问题始终存在着一个协调的问题。

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The Cropland Conversion to Forest and Grassland ( CCFG) is an unparalleled measure implemented by the state government to improve the environment of Western China.

退耕还林还草工程是我国为改善西部地区恶化的生态环境而采取的一项空前的重大举措。

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