The undisturbed soil of the saline-alkaline grassland had the characteristics of hard soil, poor permeability, weak preserving water capacity, and the inhibition for the growth of the grass and the crop, so the produced potentiality of the crop did not adequately play.
盐碱化草原的原状土土壤坚硬而密实,土壤通透性差,涵养水分能力弱,对牧草和作物的生长发育具有抑制作用,作物的产出潜能也不能得到充分发挥。
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