improve soil tilth 改良土壤耕性
Improve Soil Aggregate Structure 改良土壤团粒结构
Improve Soil Structure 改善土壤结构
Loose Improve Soil 疏松改良土壤
improve soil texture 改良土壤结构
improve soil quality 改良土壤
improve soil nutrient 提高土壤养分
improve soil moisture 提高土壤含水率
He studied how to improve soil conditions.
他研究如何改善土壤环境。
The expert will give us a lecture on how to improve soil.
这个专家将给我们作一个如何改良土壤的讲座。
These are fast-growing trees and shrubs whose leaves and roots help improve soil.
这是一种速生的树木和灌木,它的叶子和根系有助于改善土壤。
If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.
VOA: special.2009.03.10
To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.
VOA: special.2009.03.10
Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.
VOA: special.2009.07.28
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