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在对冀西北坝上高原不同类型农田作物经济效益分析的基础上 ,得出在坡梁旱地具有退耕还草的可行性 ,其启动条件为区域农业生产中劳力资源供应紧张。由于当前坝上农业生产中资金短缺而劳力相对剩余 ,所以短期内系统不会出现自动退耕行为。政策性强制退耕并在同时积极发展劳动密集型、经济高效性的作物生产是尽快启动退耕并防止反弹的最佳选择
Based on the analysis of the economic benefits of crops in different types of farmland on the Bashang Plateau in northwestern Hebei Province, it is concluded that returning farmland to grassland is feasible in slope dryland. The starting conditions are that the labor resources in the regional agricultural production are in short supply. Due to the shortage of funds and the relative surplus of labor in agricultural production in the dam at present, the system will not automatically withdraw from farmland in the short term. Policy-oriented forced land reclamation and at the same time the active development of labor-intensive and cost-effective crop production is the best choice to start the program of returning farm land and prevent it from rebounding as soon as possible