The slag can be used as a potassium silicon compound fertilizer, suitable for amelioration of potassium-deficient or acid soils.
炉渣可作为钾硅复合肥料，适用于缺钾或酸性土壤的改造。
Sulfur is getting deficient in Chinese soils, therefore the author suggests sulfur must be taken into account in production of compound fertilizers.
根据我国土壤缺硫趋向，提出复混肥料须注意加入硫素。
Sulfur is getting deficient in Chinese soils, therefore the author suggests sulfur must be taken into account in production of compound fertilizers.
根据我国土壤缺硫趋向，提出复混肥料须注意加入硫素。
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