为有效保护有限的耕地资源，探讨耕地非农化的动力机制就显得尤为必要。
For the protection of arable land resource, it's necessary to explore the motive mechanism of arable land turned to construction land.
对我国省级耕地非农化的适度性做出评判，将有助于耕地保护政策的有效实施。
Making a rational judgment of degrees of farmland conversion in provincial level will bring farmland protection policies into action efficiently in China.
通过对耕地利用过程中存在的选择价值与外部性问题进行分析，在此基础上提出耕地非农化决策的优化模式，并简要阐述了耕地保护的政策启示。
It puts forward an optimum decision model of non agricultural use of cultivated land and makes a simple exposition of policy enlightenment on protecting cultivated land.
通过对耕地利用过程中存在的选择价值与外部性问题进行分析，在此基础上提出耕地非农化决策的优化模式，并简要阐述了耕地保护的政策启示。
It puts forward an optimum decision model of non agricultural use of cultivated land and makes a simple exposition of policy enlightenment on protecting cultivated land.
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