... crop of depleting soil fertility 耗地作物 cropped soil 耕作土壤 crumb structure 块状结构 ...
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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。
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。
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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