Novel efficient potassium fertilizer and preparation method thereof

The invention relates to a novel efficient potassium fertilizer and a preparation method of the novel efficient potassium fertilizer, which are applied to the field of agriculture and forestry. The potassium fertilizer provided by the invention comprises major element of potassium, trace elements of ferrum, manganese, cuprum, zinc and boron and plant nutrition conditioner of diethyl aminoethyl hexanoate (DA-6). Compared with other potassium fertilizers, the novel efficient potassium fertilizer has the advantages of rapid fertilizer effect, comprehensive nutrition, convenience in use, etc. The potassium fertilizer provided by the invention is a product obtained by fully and uniformly mixing potassium sulfate as a major raw material, potassium carbonate, potassium nitrate and potassium chloride as auxiliary raw materials, trace elements such as ferrum, manganese, cuprum, zinc and boron added in proportion, and a certain amount of a plant nutrition conditioner. The product provided by the invention has simple pr