From the bud to the flowering stage: To prevent the deficiencies of zinc lobular disease from sprouting to flowering and improve the stress resistance of the tree, spray 2000-3000 times solution of suspended zinc oxide should be taken; in order to prevent the iron deficiency of the cherry leaves, EDTA/EDDHA chelated iron 2000-3000 times solution should be sprayed; promote flowering and improve the stress resistance of fruit trees; it needs to spray 1000 times solution of sodium octaborate or potassium octaborate.
Initial flowering period: Take spraying sodium borates or potassium octaborate 1000-1500 times solution 2-3 times, can effectively increase the cherry fruit setting rate.
After flowering until the young fruit period: In order to promote the accumulation of calcium in fruit set and fruit and reduce the physiological fruit drop, 1000 times solution of sodium octaborate or potassium octaborate can be sprayed, and calcium carbonate chelated with sugar alcohol 1000-2000 times solution 2 -3 times.
Fruit enlargement period and fruit coloring period: In order to promote cherry fruit enlargement, coloring, and increase fruit firmness and sweetness, it is better to spray sugar alcohol chelating calcium fertilizer 1000-2000 times solution.
After harvesting: Timely supplement of tree nutrients, delaying leaf senescence, enriching shoots buds and storing nutrients, guaranteeing germination and flower bud differentiation in the coming year; preventing lobular disease and improving tree stress resistance, spraying 2000-3000 times of suspended zinc oxide Solution.
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