...作物生产潜力 ; 圪针耳流域 [gap=1037]Key words : returning land for farming to forestry ; carrying capacity of land ; crop potential productivity ; Gezhen′ er ..
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The results show that from north to south, the developing advantage of crop potential productivity increases gradually.
结果表明：江苏省作物开发优势由北向南逐渐增大。
To research the crop potential productivity can find the obstacle to improve yield, and can offer grounds for programming agricultural production.
研究一个地区的作物生产潜力可以发现提高产量的主要障碍因子，为合理进行农业生产规划提供依据。
This paper summarized and evaluated the research way on crop potential productivity in China, and put forward ideas on the studies of crop potential productivity in the future.
本文综述并评价了我国作物生产潜力的研究方法，就国内作物生产潜力研究的未来提出了拙见。
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