First, do not over-fertilize. Because of excessive fertilization, the trees are prone to lengthy and the quality of the fruit is reduced. Therefore, we must cultivate the golden mean tree. When the tree vigor is debilitating, it is necessary to timely supplement the fertilizer, and it is best to calculate the fertilizer requirement according to the output index.
Second, nitrogenous fertilizers cannot be applied, requiring the cooperation of various elements. In particular, those fruit trees that require more potassium, should pay attention to increasing potash fertilizer. Yangmei is a fruit tree that avoids phosphorus, and should pay attention to less or no application of phosphate fertilizer. And we must pay attention to the supply of trace elements, so as not to produce a deficiency.
Third, we must not only apply inorganic fertilizers, and require more organic fertilizers, organic compound fertilizers, microbial fertilizers, and humic acid fertilizers. At present, farm organic fertilizers include: manure, manure, compost, cake fertilizer, green manure, biogas fertilizer, and crop manure. The organic compound fertilizers sold in the domestic market include: Ames biological fertilizer, Qixing organic organic compound fertilizer, “Zhongci†brand organic-inorganic compound fertilizer, super biological organic fertilizer, oasis plant nutrient solution, and Zhengfeng ecological organic fertilizer. Microbial fertilizers include rhizobia, nitrogen-fixing bacteria, phosphorus bacteria, and silicate bacteria. Microbial fertilizers sold in the market include: high fertility. Xi Shi Feng, efficient organic fertilizer and so on. Humic acid or nucleic acid nutrient fertilizers include: Gaomeishi and Kaitling. Some of the above fertilizers have many problems in terms of quality and use technology; however, selective use of basal, topdressing or extra-root fertilizers is effective.
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