In May, the walnuts entered the fruit's rapid expansion period and the secondary shoots sprouting period. The management focuses on satisfying the water and fertilizer supply of walnuts, reducing nutrient consumption, improving the fruit setting rate and good fruit rate, and laying the foundation for the subsequent growth of shoots and flower bud differentiation. . The following management measures should be taken: Appropriately top-dressing water in the first half of May. Apply high-nitrogen, low-phosphorus and high-potassium compound fertilizer to each plant in the middle of May in the slightly dry soil (recommendation ratio is 22:8:16) and dig several 15 cm from the inside out under the canopy. The deep ditch is applied evenly, and it is watered 5 to 7 days later. To reduce nutrient consumption, one must continue to cut off excessively long branches, weak branchlets, and non-bud branches inside the tree body and wipe off too many weak shoots. Second, the excessive fruiting of the individual plant should be appropriate fruit thinning, focus on sparse internal litchi, fruit thinning time is mid-May, leaf-fruit ratio of 3 ~ 5:1 is appropriate. The third is to continue to sprout buds and sprouts from the sprouting of the trees that changed the way for the previous year. Resilient flowers promoted the shoots on the long branches that had been thrown away so that the branches were evenly distributed and the light was enhanced. The use of the promotion of flowering was promoted by the use of the prosperous trees of late-type Zhuang trees in late May. Prepare grafted walnut trees before grafting, and pick up the remaining 4 to 10 new shoots to be picked up to 30-40 centimeters for topping to facilitate coarse growth. Walnut pest control For leaf insect pests, beetles can be sprayed before the evening spray poison + new high-fat membrane treatment; sucking pests such as grass climbing, Daqingye can be used to eliminate dead + net high-fat lipid membrane treatment. Damaged stems of walnut rot, ulcer disease, etc., knife can be used to cut in the disease longitudinally carved, wounded parts of the epitaxial 2 cm deep to the xylem, coated with anti-corrosion film for prevention and treatment. Safe Box With Watch Winder,Storage Safe Box,Jewelry Box,Portable Jewelry Box Hebei Yingbo Safe Boxes Co.,Ltd , https://www.ybsafebox.com