This period is from February to April, when temperatures begin to rise, and pests and diseases begin to prevail. This is a critical period for pest control and flowering. The main purpose of management is to ensure the quality of flowering and increase the rate of fruit set. The following management should be done: 1, pruning: flower bud period, flowering new shoots will cause falling flowers and fruit drop, especially the small amount of fruit trees, a large number of shoots, falling more serious fruit, to erase in a timely manner. For the second flower blossom rate of 80%, the weak flower spikes should be removed in time, retain about 70% robust flower spikes, and cut the spikes of the top one-third of the spikes of the oversized flowers, leaving the base three points. The second flower. 2. Picking flowers: Grasp the first inflorescences 15 days before and after the Spring Festival. 3, Pharmacy flowering, flower preservation: After flowering, spray 0.3% calcium nitrate, 0.3% Sonic boron, 0.3% potassium dihydrogen phosphate, and Yunda 120 mixture every 7 days after flower removal, spray 2-3 times. 4, to induce insect pollination: Mango flowering pollination mainly by insects. During flowering, unfamiliar pig cow dung or dead fish are piled around the orchard and among fruit trees to induce houseflies to raise trees and promote flowering, fertilization, and fertilization. Proper beekeeping can also increase the rate of pollination. 5, fertilization and irrigation: Fertilizer for this period is a flower fertilizer, mango tree blossom, nutrient consumption, should be applied in the flowering period of 1 quick-acting nitrogen fertilizer. The fertilization time depends on the tree vigor, plant status, and the weather. It is advisable to start fertilizing when 50% of the last shoots of plants are budding. Urea or compound fertilizer can be used. Each plant applies 0.1-0.2 kg of urea or compound fertilizer, which can be combined with foliar spray 0.1% borax, 0.2-0.3% potassium dihydrogen phosphate solution. In February-February, Shi Zhuang Hua Fei combined with irrigation and once again in April. 6. Integrated pest and disease control: The main attention is to control powdery mildew, anthrax, bacterial angular spot, cluster bud disease, leaf spot disease, fluidic disease; thrips, scorpion mosquitoes, horizontal tailwing moths, scale insects, aphid. Diligently check and take targeted comprehensive prevention and control of pests and diseases in orchards. The main medicines are sulphur suspension, amisida, 1?1?100 Bordeaux, copper hydroxide, 70% thiophanate-methyl 800-1000 times. Liquid, Shi Baoke 500-1000 times liquid, kung fu and so on. Spray control 1-2 times per month. After the flowering period and the flowering period as the focal point, the spraying period was emphasized, and physical control was emphasized. Every 2-3 trees hung blue or yellow plates to kill the pests such as thrips and other leafy flower pests, an insecticidal lamp was suspended for every 30 acres of orchard, and the lights were turned on at night. Trap phototaxis pests. We have blank keys, bump keys. Key blank packages ensure you have key blanks of all shapes and sizes that are ready to be cut to the perfect specifications. Bump keys are specially designed with a specific cutting technique that can sidestep the security mechanism in the average tumbler and pin lock. Blank House Key ,Brass Blank Key,Security Key Blank,Copper Key Blank ANDJA TRADING PET. LTD. , https://www.lock-cylinder.com