tilth

1. Effect on soil nutrient content in tilth by tillage .

耕作对土壤不同耕层的养分含量影响。

2. It has very little nutrient value , but can improve your soil tilth .

它很少营养价值，而且可以改善你的土壤耕层。

3. Urban land use potential is a basis for using urban land in reason , improving efficiency of urban land use , enforcing the tilth protection .

研究城市土地潜力是城市建设者合理利用城市土地、提高城市土地利用效率、保护耕地的基础。

4. Tilth of paddy soil and its significance on soil classification .

水稻土的耕性及其在土壤分类上的意义。

5. The distribution position of cotton root system in the tilth is closely related with cotton yield .

棉花根系在耕层分布的位置与产量密切相关.

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