Acid Soils of the Tropics
Acid Soils in Hawaii Problems and Management
土壤灌溉水调酸方案
碱性土壤改良资料汇总
碱性土壤改良方案
Solutions to Soil Problems_ II. High pH (Alkaline Soil
Solutions to Soil Problems High pH
Soil acidification slides
Oxidation Rates of Commercial Elemental Sulfur Products Applied to an Alkaline Silt Loam from Arkansas
Soils and Plant Nutrients
