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1)  soil alkalinity
土壤的碱度
2)  soil sodicity
土壤碱度
1.
Effects of soil water content and soil sodicity on soil shearing strength;
土壤含水率与土壤碱度对土壤抗剪强度的影响
2.
Effects of soil sodicity,gypsum application,and filtration disposal on hydraulic conductivity under irrigation with domestic effluent water;
污灌条件下土壤碱度、石膏施用以及污水过滤处理对水力传导度的影响
3.
Effects of soil sodicity and gypsum application on dynamical behavior of heavy metal elements under effluent irrigation were studied by means of soil column leaching method in laboratory.
采用室内土柱淋洗试验方法,研究了污水灌溉条件下土壤碱度和石膏应用对土壤中重金属元素动态变化的影响。
3)  soil pH
土壤酸碱度
1.
Effect of soil pH on sugarbeet growth and development and yield;
土壤酸碱度对甜菜生长发育及产量的影响
2.
6,and the soil pH was significantly and negatively correlated with disease control effect;while trifluralin showed greater efficacy in soils of pH 7.
以过氧乙酸和氟乐灵作为化学诱抗剂,研究了在不同土壤酸碱度(pH 5。
4)  soil salinity and sodicity
土壤盐碱度
5)  total alkalinity of soil
土壤总碱度
6)  alkaline-saline soil
重度盐碱化土壤
1.
The effect of biological and chemical ameliorations on the physical characters,water-retention characters and water-supply condition of the alkaline-saline soil was studied in this paper.
较为系统地研究了生物、化学改良对重度盐碱化土壤的基本物理性质、持水特性及供水状况的影响 。
补充资料:土壤总碱度
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性质:土壤溶液中不同来源氢氧离子的浓度总和超过其氢离子浓度时所表现出来的碱度。其主要来源有:(1)土壤母质中含有的钙、镁、钠、钾的碳酸盐或重碳酸盐通过水解所生的氢氧离子;(2)中性硫酸盐类在还原物质作用下,还原为硫化物,再与碳酸钙作用转化为碳酸盐,水解后产生氢氧离子;(3)土壤胶体上吸附的盐基离子,水解后产生氢氧离子。可作为改良碱化土壤的一项参数。

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