Before Shatian pomelo flowering, timely management of fertilizer and water and prevention and control of diseases and pests should be done in order to promote the growth of tree vigor, improve the nutrition level of the tree, promote bud growth, improve the resistance of flower buds, reduce the damage of pests and diseases, protect buds, and improve fruit set. Rate, the fertilizer and pest control techniques before flowering of Shatian pomelo are briefly described as follows: I. Fertilization management before flowering Fertilizers before application of flower buds, organic fertilizers, phosphorus and potash fertilizers, and fruit trees above 5 years of age, 0.5 to 1 kg of potassium dihydrogen phosphate per plant and 15 to 20 kg of cooked human and poultry manure. Dig a ring ditch with a depth of 15-20 cm and a width of 30-0 cm around the canopy drip line. After the fertilizer is fully mixed, apply it to the ditch and cover the soil. If dry weather is encountered after fertilization, the water should be applied in a timely manner or the decomposed fecal water must be dehydrated, 50-60 kilograms per plant, in order to promote the dissolution and transformation of the fertilizer. II. Pest control measures before flowering Before Shatian flowering, it focuses on the prevention and control of diseases such as spider mites, anthracnose, scale insects, ulcer disease, and flower buds. When the buds are just whitening, when the buds are thick and the buds are about to open, they are sprayed once with 800 times. , 3000 times the broom net, 1500 times the death of the net mixture, or 800 times thiophanate-methyl, 800 times dictoprol, 1000 times culling mixture control, to protect the buds. Three, foliar dressing In combination with pest control, adding 1,000 times more vital energy, 5000 times more natural brassin, and 300 times more potassium dihydrogen phosphate mixture can enhance the effect of disease prevention and pest control, and can also promote buds and improve bud resistance against low temperatures in spring. The weather can. Hrdrocolloid Dressing Extra Thin Hrdrocolloid Dressing Extra Thin,Hrdorosolid Ultrathin Dressing,Ultra Thin Dressing,Hrdorosolid Ultra Thin Dressing Roosin Medical Co.,Ltd , https://www.roosinmedical.com
Fertilizer and Prevention of Pests and Diseases of Shatian Pomelo before Flowering