Since joining Lei Li, Shanxi Yuncheng Leili Agricultural Materials Sales Co., Ltd. has been committed to the application of the whole-sea nutrient fertilization package of seaweed fertilizer on apples. The package plan that has been practiced for many years is summarized as follows:
The first fertilization: in mid-April, use "Lei Li 2000" 750ml + Neptune No. 1 1000ml + fine high-nitrogen sea fertilizer to apply 2kg + insecticidal pesticide spraying on the foliar surface to solve the freezing damage, flowering without fruit, or replace artificial pollination To solve the problem of artificial thinning and fruit thinning, and make the fruit shape positive and fruit large, and have special effects on the uneven surface of the fruit surface.
Second fertilization: In late April, when the flower falls 80% and the temperature reaches 18 degrees Celsius, the application begins. Use "Lei Li 2000" 750ml + Lei Li liquid calcium 1000ml + very good 1000ml + insecticide bactericidal pesticide foliar spray to solve the problem of black red spots, water lines, fruit cracks, etc., and the face virus, lobular yellow leaves, branches Dry rot has special effects.
The third fertilization: from the end of April to the beginning of May, 20kg of high-nitrogen seaweed per acre is applied to provide sufficient nutrition for apple growth.
The fourth and fifth fertilization: about mid-May, the distance from the last fertilization was 10 days. Use "Lei Li 2000" 750ml + Lei Li liquid calcium 1000ml + very good 1000ml + insecticide bactericidal pesticide foliar spray to solve apple black red spots, water lines, fruit cracks and other problems, and apple flower face virus, lobular yellow leaves The prevention of stem rot disease has special effects.
Sixth, seven, and eight times of fertilization: In early June, it was applied after flowering, and it was about 10 days away from the last fertilization. The application of 35% high-potassium seaweed is applied to the amount of 20kg per mu to promote fruit enlargement, correct fruit shape and uniform coloration.
The ninth fertilization: in late June, using Haidefeng 400g + Neptune 2 1000ml + high-potassium seaweed 2kg + insecticidal pesticides foliar spray, to adjust the nutrition, control the long, so that the apple coloring, The flower buds are full, ensuring annual production.
Tenth fertilization: In mid-July, the dosage was the same as the ninth fertilization.
The eleventh application of fertilizer: in the middle and late August, using "Rayleigh 2000" 750ml + Neptune 2 1000ml + high-potassium high-fertilizer sea application 2kg + insecticidal pesticide spraying foliar spray, can quickly promote apple expansion, improve apple quality, and ensure Quickly coloring after unloading the bag and listing in advance.
The twelfth fertilization: from mid-late September to March of the next year (autumn application of fertilizer). Each tree is applied with 10-6-9 or 13-7-10 compound fertilizer 2kg, chitin organic fertilizer 2kg, and multi-protection medium element fertilizer 0.25kg. This method is beneficial to the storage of nutrients in the tree.
The above fertilization method can adjust the amount of fertilizer according to the weather conditions. Each time, the amount of water applied to the liquid fertilizer is 800-1000 kg, and the orchard can be added to the orchard with serious pests and diseases.