土壤盐化

土壤盐化是世界范围的环境生态问题之一。

Soil salinization is one world wide environmental problem .

然而，直到现在研究者更多关注的是土壤盐化问题，对碱化问题的报道很少。

However , to date , more attention has been given to the problem of soil salinization , and few alkalization problems have been reported .

HYDRUS模型在干旱区灌溉与土壤盐化关系研究中的应用

Application of HYDRUS model to study of relation between irrigation and soil salinity in the arid area

三种钠盐对石灰性土壤盐化特性的影响

Effect of Three Sodic Salinity on Salinization Characteristic in Limy Soils

施用7%草甘膦水剂对土壤盐化和碱化的影响

Effect of 7 % Glyphosate Aqueous Solution on Soil Salinize and Alkalize

通过室内盆栽模拟实验，研究了5种浓度的7%草甘膦水剂对土壤盐化和碱化的影响。

Potted plant experiment was used in studying the effect of 7 % glyphosate aqueous solution at five concentrations on soil salinize and alkalize .

稀土铈盐、镧盐钝化镀锌钢板表面性能对比三种钠盐对石灰性土壤盐化特性的影响

Performance Comparision of Passivation Films on Galvanized Steel Treated with Rare-earth Cerium and Lanthanum Salts Effect of Three Sodic Salinity on Salinization Characteristic in Limy Soils

冻融期间盐沼湿地水盐迁移的热力学机制是松嫩平原土壤盐化发生机制的重要组成部分。

The thermo dynamics mechanism of water and salt transportation in the salined wetland during the freezing and thawing period is substantial to the geographical occurrence mechanism of salinized soil .

土壤盐化分级结果为，盐碱土属重度盐化土，黑钙土属非盐化土，草甸土属轻度盐化土。

Soil saline classification showed that halomorphic soil was a kind of severe salinized soil , chernozem soil was a kind of non-salinized soil , and meadow soil was a kind of light salinized soil .

测试了吉林省大安市苏打碱土区67、2030和6070m3种深度地下水的基本化学特征，对利用地下水灌溉可能引起的土壤盐化、碱化和盐碱化问题及其灌溉适宜性进行了评价。

Chemical properties of groundwaters ( 6-7,20-30,60-70 m in depths ) at sodic soil areas in Da ′ an City , Jilin Province were measured and soil salinization risk of using the groundwaters for irrigation was analyzed .

土壤盐化对农业的威胁是一个全球性问题，在世界范围内，灌溉土地的1/3受到盐分胁迫，且土壤盐化面积逐年增加，从而给农业生产造成重大损失。

Soil salinization , threating the development of agriculture , is a global problem . One third of the irrigated land worldwide undergoes salt stress and the soil salinity area increases year by year , which causes heavy losses to agricultural production .

土壤盐化、高温及遮荫等逆境是限制全球小麦生产力的主要非生物因子，而利用小麦-黑麦1BL/1RS易位染色体培育的持绿小麦新品种的产量得到大幅度的提高。

Soil salinization , high temperature and dim light are major abiotic stresses influencing wheat productivity world widely , while wheat-rye 1BL / 1RS translocated chromosome has been successfully used in wheat yield improvement for growing ' stay green ' wheat cultivars .

设施园艺土壤的盐化与治理对策

Soil Salinization and Countermeasures in Protected Horticulture

本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和非饱和水的水热盐一维运动模型进行了数值模拟。

With the background of soil salinity in the plain of North China , a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation .

结果表明：①湖泥、湖滨土壤及盐化荒地土壤中存在一定数量的中、低温耐盐放线菌。

The results indicated that there are salt-resistant , mesophilic and cryogenic actinomycetes in swamp and lakeside soil of the Qinghai Lake and in salinized wasteland soil nearby the Qinghai Lake .

可是如果不能使海平面上升减速，或是水灾和沿海湿地遭破坏的危险变大，海平面的上升就会增加对沿岸的侵蚀和土壤的盐化。

Without this , as well as increases in the risk of flooding and in the destruction of coastal wetlands , sea-level rise could also increase coastal erosion and salinisation of soil .

从而进一步说明，该绿洲盐渍化土壤为氯化物盐化土。

All these findings further suggest that the soils are heavy chloride saline soils .

由盐渍化分级及盐分剖面特征分析结果可知重度盐化土是研究区最主要的土壤类型，轻度盐化土分布面积最小；

Analysis on salinization classification and salinity profile characteristics indicated that heavy salinized soil was the predominant soil type in the study area , while the distribution area of light salinized soil was the least .

在环渤海低平原表层土壤中，非盐化土、轻度盐化土和中度盐化土分布面积的比例基本相等，重度盐化土面积较小。

In the surface soil of the low plain around the Bohai Sea , the area distribution percentages of none salinity , slight salinity and medium salinity soils were almost equal , heavy salinity soil region was little .

膏盐矿开采造成不同程度土壤次生盐渍化（盐化和碱化）。金属矿床酸性废水直接污染地表和地下水体，诱发土壤酸化；

The exploitation of gypsum mine results in the variety of hypo - salting salinization and alkalization , The acid waste water produced in the exploitation of metal deposits directly pollutes the surface water and the ground water and brings the acidation of soil .

选择了76份苏打碱化土壤样品，对其各盐化与碱化指标进行了测定，分析了苏打碱化土壤盐化和碱化的关系。

Salinization and alkalization parameters of sodic soil were measured . Relationship between salinization and alkalization was analyzed .

同时，为了了解土壤养分含量、土壤干旱化和土壤盐化的变化趋势，测定了高台县两北盐池地区主要盐土类型各剖面中的盐分含量和流域内主要土类中水分含量的分布。

In order to reveal the change of the contents of soil nutrients , moisture content and salinity in the Yanchi region , northwest Gaotai County , the contents of salts in soils and the soil moisture contents were measured .

结果表明，土壤的碱化层和高含盐层出现在土壤中同一层次，因此该土壤盐化与碱化过程有密切联系。

Results show that the natric horizon and salic horizon locates at the same soil layer , which indicates that the relation of salinization to alkalization is close .