土壤理化性质 Soil Physicochemical Properties ; soil physics and chemistry nature ; physical and chemical properties of soil ; physical-chemical properties of soil

土壤钠质化 soil sodication

土壤钠质化作用 sodication

土壤化学性质 soil chemical property ; soil chemistry properties

土壤腐殖质化学 [土壤] soil humus chemistry

土壤矿物质转化 mineral transformation insoil

土壤的化学性质 chemical properties of soil

土壤质量变化 changes in soil quality

土壤基质旱化 drought of soil substrate