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盐碱地是盐地和碱地的合称,盐地是盐分(氯化物或硫酸盐)含量高的土壤,但土壤不一定呈碱性。碱地是碳酸盐或重碳酸盐含量高的土壤,一般呈碱性。
Saline is a combination of salt and alkali, which is a soil with high salinity (chloride or sulfate) but not necessarily alkaline soil. Alkali is a carbonate or bicarbonate soil, generally alkaline.