... 土壤肥力分级 soil fertility grading 土壤肥力管理 soil fertility management 土壤肥力级差 gradational difference of soil fertility ...
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farmland soil fertility management system 农田土壤肥力管理制度
The methods involve soil fertility management as well as reduced tillage.
这些方法包括管理土壤肥力和减少耕作。
The methods involve soil fertility management as well as reduced tillage. Tiling is breaking up and truing the soil to prepare the ground for planting.
这些方法包括象减少耕作那样来进行土壤产量管理。耕作被破坏，并将土壤准备好适合中指的土地。
The methods involve soil fertility management as well as reduced tillage. Tilling is breaking up and turning the soil to prepare the ground for planting.
这些方法包括管理土壤肥力和减少耕作。耕作就是将土壤松碎并翻转，为种植做好准备。
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