Novel potash magnesium sulphate fertilizer and preparation method thereof

The invention relates to a novel potash magnesium sulphate fertilizer and a preparation method thereof applied to the field of agriculture and forestry production. The novel potash magnesium sulphate fertilizer comprises a macro-element, i.e., potassium, medium elements including sulphur and magnesium, trace elements including manganese, zinc and boron and a plant nutrient absorption enhancer. Compared with other potash magnesium fertilizers, the novel potash magnesium sulphate fertilizer has the advantages of high fertilizer efficiency, comprehensive nutrient and simplicity and convenience in application. The product provided by the invention is produced through the following steps of: with potassium sulphate as a main raw material and magnesium sulfates and zeolite powder as auxiliary raw materials, adding the trace elements such as the manganese, the zinc and the boron according to a certain scientific proportion, meanwhile, adding a certain dose of plant nutrient absorption enhancer, and sufficiently and