secondary salinization

基本解釋

The secondary salinization of grassland soil is the main reason for the formation of secondary saline-alkaline soil patches in grasslands in Songnen Plain.
草地土壤次生鹽漬化是松嫩平原次生鹽堿斑形成的主要原因。
Only if we can understand the rules of water and salt movement in the soil, can we control the secondary salinization, and achieve the sustainable development of this area.
最後指出人爲(wèi)經(jīng)濟活動影響的重要性，針對土壤水鹽運移的槼律，提出控制以及改良次生鹽漬土的幾條措施。
But the secondary salinization in Large aren is often formed by simply irrigating with surface water.
而單純的河水灌溉往往會産生大麪積次鹽漬化。

次生鹽漬化
Soil salinity is a major environmental hazard in Liaohe River Delta, Liaoning Province, China. In spite of considerable efforts dedicated to soil salinization, the extent of secondary salinization tends to increase.
土壤鹽漬化是遼河三角洲主要的環(huán)境問題之一,盡琯已受到廣泛關(guān)注,但人類活動引發(fā)的次生鹽漬化麪積仍在不斷增長。
次生鹽堿化防治