次生盐化 meaning in Chinese

secondary salinization

In 1994 , the ternpc got the only creative prize of agriculture science in the first ningxia patent exhibition , and the golden medal of the first agriculture science and technology achievement exhibition of china , held by the cstc chinese science and technique committee and shanxi province . in 1996 , it was listed in the major plan of science and technique spreading by nstc
总的来说，西部的生态环境特别是西北地方砍伐，水土流失，土地沙漠化的问题十分严重，由于生态环境恶化，造成湖泊乾涸，下游河道断流，土壤次生盐化面积不断扩大，沙尘暴频繁增加，天然林场草场在面积退化，如果这些问题不能起到有效控制，环境的恶化很难逆转，现有的绿州也很难利用。