为了实现农用土地的有效利用，减少土壤侵蚀的原地外部不经济性，应延长农用地的承包期。
The period in which agricultural lands are rented by farmers from the country should be prolonged in order to realize full utilization of the land and to remove on site externality of soil erosion.
为了实现农用土地的有效利用，减少土壤侵蚀的原地外部不经济性，应延长农用地的承包期。
The period in which agricultural lands are rented by farmers from the country should be prolonged in order to realize full utilization of the land and to remove on site externality of soil erosion.
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