Preparation method of nutrient-balanced fertilizer special for tea trees

The invention discloses a preparation method of nutrient-balanced fertilizer special for tea trees. The preparation method comprises the following steps that peanut meal, humic acid, corncob powder, coconut bran, castor meal and water are mixed and fermented to obtain a prefabricated material; the prefabricated material and a modified dispersant are mixed uniformly, ammonium nitrate, triple superphosphate, kiln dust potash fertilizer, zeolite powder, sepiolite powder, EDTA chelate zinc, humic acid copper and EDTA chelate iron are mixed uniformly, and granulating, sieving and drying are conducted to obtain the nutrient-balanced fertilizer special for the tea trees. Not only is the fertilizer special for the tea trees extremely good in nutrient substance slow-release effect, the demands of the tea trees during the whole growth period are met simply by applying the fertilizer once, but also harmful bacteria can be effectively inhibited, the soil fertility is enhanced, the growth capability of the tea trees is st