soil salinity

Investigating and analysing natural and economic conditions of Kenli County, the content of organic matter, configuration of soil body, underground water table and salinity of cultivated horizon were used as the identification factors, and the evaluation criteria of land natural productivity were formulated.

本文通过对垦利县土地自然及经济情况的调查分析，选择有机质、土体构型、地下水埋深及土壤耕层含盐量为参评因素，制订了垦利县土地自然生产力评级标准；

Study on Salinity Situation of Seashore Saline Soil Under Seawater Irrigation

海水灌溉滨海盐渍土的水盐运动模拟研究

Central and southern light loamy soil with mild and moderate salinity tidal wave of soil salinization.

中部和南部为轻壤质轻度盐化潮土和中度盐化潮土.

Enhancing the ability of soybean to survive salt condition is very important to improve the yield of soybean and the utility of the salinity soil. Much attention is paid to raising salt-tolerant plants, studying salt-tolerance mechanism, locating and isolating salt-tolerance genes.

因此提高作物耐盐性，培育耐盐品种，耐盐机理的研究及耐盐基因的定位分离受到人们越来越多的关注。

The effect of alkaline ground water with low salinity on soil alkalization

碱性低矿化地下水灌溉对土壤碱化的影响

Eastern Wei Bridge Corporation, white song zhuang severe salinity tidal Corporation soil.

东魏家桥公社 、 白宋庄公社为重度盐渍化潮土.

Medium saline-alkali soil is 0.138 percent of salinity content ( S2);

中度盐碱土（S2，含盐量0.138%）；

Its salinity give priority to the alkalescency salt type such as Na_2CO_3, it calls soda Salina soil and disadvantage to the crop growth.

其盐分以碱性盐类Na2CO3为主，称苏打盐碱土，对作物生长极为不利。

Soil total salinity in afforestation test plot decreased by 0.729 percentages and the pH value decreased 11.31%.

造林试验区的土壤全盐量降低0.729个百分点，pH值降低11.31%。