First, re-application of winter fertilizer before and after fruit harvesting, combined with deep plowing and soil re-application of organic fertilizers, has a significant effect on restoring tree vigor and promoting flower bud differentiation. The specific approach is: in the beginning of November-December, open deep trenches along the outside of the tree crown and reapply basal fertilizer (peanut bran, bone meal, earth miscellaneous fertilizer, pig cow dung, compost, manure, phosphate rock, superphosphate, etc.) . Reusing winter fertilizer is the basis for high yields in the coming year. However, it should be noted that winter fertilizers must be applied early and applied (accounting for 50% of the annual fertilization amount), and mainly organic fertilizers. Second, early application of spring fertilizer in the citrus bud before germination (late February to early March) application of available nitrogen, phosphate fertilizer, there are strong shoots and improve flowering branch quality (increase the number of leaves and leaf area of ​​flowering branches) role, can promote new Tip normal germination and nutrients needed for fruit development. Third, the clever application of fruit fertilizer in the middle and late May application of available nitrogen fertilizer, can compensate for flowering nutrient consumption and make young fruit get enough nutrition, reduce fruit drop, improve fruit set rate. From July to September, the fruit grows rapidly, and a large number of autumn shoots are extracted. As the result of the mother tree, the vegetative growth and fruit development often produce conflicts of nutrients and moisture. At this time, the topdressing nitrogen fertilizer, combined with phosphorus and potassium fertilizers, can accelerate fruit growth, improve fruit quality, and promote the occurrence of autumn shoots. However, it must be noted that the type, concentration, and method of fertilization should be determined based on the growth of the tree potential and the conditions of the soil and the weather. In the dry season, watering should be performed first to keep the soil moist and then fertilized, which will facilitate the absorption of roots and achieve the effect of “stimulating waterâ€. The combination of fertilizer and water is a method of using fertilizers to make the same fertilizer play a greater role. For fruit trees with vigorous growth, it is not appropriate to apply excessive nitrogenous fertilizers. Otherwise, when spring and summer shoots are overextended, they can cause fruit drop. Fourth, root fertilization root fertilization outside the use of leaf stomatal and stratum corneum directly into the nutrient of a fertilization method, with quick results, high absorption and utilization advantages. In the flower bud stage, flowering stage and young fruit stage, the use of readily available fertilizers that are soluble in water for extra-root fertilization can increase the fruit setting rate and facilitate fruit enlargement and development. Sk5 Blade,Sk5 Material Spare Blade,Utility Knife Spare Blade,Utility Knife Ultra Sharp Blade Shangqiu City Huashang Zhiyuan Tools Co., Ltd. , https://www.hszytools.com