Concerning the weak drought resistance character of the upland purple soil, the paper studied the effect of the soil drought resistance enhancement by using the high polymers.
针对紫色旱地土壤抗旱性能较差的特点，初步进行了使用高分子有机聚合物来提高土壤抗旱能力的研究。
The potted plant growth test indicates the soil water-holding agent we made could improve the ability of drought resistance and decreased the drought in some way.
盆栽植物生长试验表明，研制的土壤保水剂可提高农作物的抗旱能力，可在一定程度上延缓旱情。
It also found strong environmental benefits such as improved soil fertility, better retention of water and resistance to drought.
研究还发现，有机农业还能带来极大的环境效益，比如提高土壤的肥力、更好地保持水土、防止干旱。
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