... desertification 沙漠化 soil salinification 土壤盐化 ozone depletion in the upper atmosphere 高层大气的臭氧层破坏 ...
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secondary salinification of soil 土壤次生盐渍化
Soil salt was(0.168)%, and 80% of the samples had secondary salinification.
土壤盐分含量为0.168%，80%的样本出现盐渍化现象；
The salt ion content in plastic greenhouse soil was significantly higher than that in open vegetable fields and woodland ones, with salt content up to the salinification soil standard.
大棚温室土壤中的盐离子含量明显高于露天菜地和林地土壤，其含盐量已达盐渍化土标准。
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