soda soil

Study on Improving Structure and Water Holding Characteristics of Soda Alkali-saline Soil

苏打盐碱土结构性与持水特性的改良研究

Considering the main features of soda saline soil in field dimension, a spot model developed for soda saline soil is proposed.

针对田块尺度苏打盐渍土的主要特点，提出了苏打盐渍土开发的斑块模型。

Laboratory Research on Strength and Deformation of Soda Residue Soil

碱渣土强度和变形的室内试验研究

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。

Researches on Application of Gypsum for the Improvement of Soda Saline and Alkaline Soil

石膏改良苏打盐碱土田间定位试验研究

Study on the Technology of Prevention and Control of Grassland Degeneration in Soda Salinized Soil

苏打盐碱土草原退化防治技术研究

This article emphatically discussed the improvement effect of aluminum sulfate on bad physical characteristics of soda alkali-saline soil.

采用硫酸铝对吉林省西部苏打盐碱土进行了改良，对改良后土壤的结构性及持水特性进行了测定。

At present, the phenomenon of soil salinization in the northeast of China is very serious, and seriously hindered the development of agricultural production. Due to soda soil as main alkaline soil in the area, it is difficult to be managed.

我国东北地区土壤盐碱化现象十分严重，严重阻碍了农业生产的发展，由于本区盐碱土以苏打碱土为主，治理难度较大。

The distribution of dispersive clay was accompanied with the existence of soda saline-alkali soil in Song-nen plain.

它的分布与苏打碱土分布有一致性；

Experimental Investigation into Draining Consolidation Behavior of Soda Residue Soil Under Vacuum Preloading-Electro-Osmosis

碱渣土的真空-电渗联合排水固结特性试验研究

An example is given about mix proportion of soda residue soil to support the application of uniform design.

通过碱渣土配合比说明均匀设计在配合比中的应用，表明均匀设计在配合比中的应用是成功的。

The direction of salt-water regulation of soda saline soil is to create an accumulated water-runoff environment on the land surface by apply varied technologies, and remove salt on the land surface ( 0-30cm) and form a "desalinated surface" of saline and alkaline.

苏打盐渍土的水盐调控方向应该是：采用各种技术在地表创造积水&径流环境，去掉土壤表层（0～30cm）的盐分，形成一个盐碱淡化表层。

Classification and Evaluation of the Soda-saline Soil in Daqing

大庆苏打盐渍土壤的分类与评价

The result indicated, after aluminum sulfate increased into soda alkali-saline soil, the soil structure has the good improvement, the soil salinity composition has the remarkable change, soda tapes → soda-sulfate tapes → sulfate tapes.

以上结果表明苏打盐碱土添加硫酸铝后，土壤结构得到良好改善，土壤盐分组成发生了显著变化，由苏打型→苏打-硫酸盐型→硫酸盐型。

Effects of Improvement Measures on Physicochemical Characteristics Carbon Pool of Soda Meadow Alkaline Soil

不同改良措施对碱土的理化性状和碳库的研究不同改良措施对草原土壤理化性质的影响

Effect of Biological Improvements on the Enzyme Activities in the Soda Meadow Saline Soil

生物改良苏打草甸碱土对土壤酶活性的影响

Taking intensely saline soil as research site object in the area consisting of soda meadow saline soil, alkalized solonchak and meadow alkali soil in the Da'an Paleochannel, the aim to wash salt away from soil by planting rice with the process of irrigating and draining.

在大安古河道苏打草甸盐化土、碱化盐土和草甸碱土复区选择试验田，通过种植水稻，借助周期性的灌水、排水过程，溶洗土壤中的盐分，达到改良盐渍土的目的。

The study shows that salt-water change in field dimension of soda saline soil have the following features: high-spatial variation of salt content, exist of both saline and alkaline, poor hydraulic characteristic, and weak in transfer between soil water and groundwater.

研究表明田块尺度苏打盐渍土水盐变化具有如下特征：土壤盐分含量高度空间变异性、盐化和碱化共存，水力性质极差，土壤水和地下水的转化关系非常微弱。

Study on Function of Aluminum Sulfate on Soda Alkali-saline Soil Improvement

硫酸铝对苏打盐碱土的改良作用研究硫酸妥布拉霉素

PH affected soda saline-alkali soil adsorbing fluorine, the lower the pH, the more the fluorine adsorption amount and the less desorption rate.

pH越低，氟的吸附量越大、解吸率越小。

Compaction Test of Soda Residue Soil The Study of Comprehensive Recovery of Ge 、 In 、 Ag etc. from the Vacuum Dezincing Furnace Slag by Pure Alkali-Melting Process

真空炉渣综合回收锗铟银等金属的碱熔法试验研究

Effect of the nd modifier on Soda Saline-Alkali Soil and the paddy rice growth

ND改良剂对苏打盐碱土改良效果和水稻生长的影响

Effect of Aluminum Sulfate on Forms of Phosphorus in Soda Saline-alkali Soil

硫酸铝改良剂对苏打盐碱土磷素形态的影响

Based on the measurement of salt content and electrical conductivity in soda solonetz soil as well as in groundwater in Da'an City, Jilin Province, the relationship between the salt content and electric conductivity was determined.

分别测定了吉林省大安市苏打碱土含盐量与电导率以及地下水含盐量与电导率，分析了含盐量与电导率的关系。