The practice have proved that the methods can make the reclaimed soil keep a similar characteristics to that of original cropped soil, and meet the requirements for elevation of reclaimed land.

实践证明，该方法能使复垦土壤有效保持类似原耕作土壤的层次结构特点，并能达到复垦地标高的要求。

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Where land is cropped regularly, there are bound to be times when the soil life is reduced.

定期耕种的地方，就必然有土地寿命减少的时候。

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For the 3rd cropped rice, the yield was significantly correlative with soil fertility.

各处理第3季的水稻产量与土壤肥力综合评价值呈显著正相关。

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