deterioration of soil meaning in Chinese

土壤贫瘠化

The deterioration of soil structure is difficult to remedy .
土壤结构的恶化很难挽回。
At fuyang , deep water method instead of soil drainage was used , the water layer about 10 cm thick was kept for some days near maximum tillering stage , this could result in deterioration of soil environmental condition for rice growth at late stages
在富阳，用保持深厚水层的办法代替土壤排水，在最大分蘖期保持10厘米厚水层数天，破坏了水稻生长后期土壤环境条件。