When onion planting management is in place, the following work needs to be done:
Check the pond to fill the gap: after planting, check whether there is a lack of dead seedlings, to make up the seedlings in a timely manner to ensure the whole seedlings.
Irrigation: timely irrigation according to soil conditions and plant growth, promote small water immersion, stop irrigation before harvest.
Top-dressing: after planting and easing the seedlings, combined with irrigation to chase the seedlings once, 8-10 kg of urea per acre is used, and the water is poured. After 15-20 days, 10-15 kg of urea is used to recover the second time. When the bulb began to expand should be chasing a head fertilizer, with 20 kg of urea per mu, 15 kg of potassium sulfate, 30 kg of calcium, the topdressing of water, harvest fertilizer planted one month before harvest.
Pest control: 1. Bacterial blight and purple spot: areas with severe disease should be carried out for 3-4 years with non-onion and garlic crops. Due to the spread of pathogens that can adhere to the seeds, 50% of thiram, 50% carbendazim, or 50% thiophanate WP can be used for seed dressing at a seed weight of 0.4%. At the beginning of the disease, use 75% chlorothalonil WP, 64% WP, 70% Mancozeb, 40% Danfodor WP, 58% Metalaxyl Zn with water 500 times, or 50% acetaminophen wettable powder sprayed 1500 times liquid water control. If onion thrips are harmed at the same time, they can be used in combination with 2.5% deltamethrin or 20% extinction dicamba to treat both the onion thrips.
2. Seed flies: Seed flies have tropism on raw manure, and manure must be fully rotted. In the adult stage, it can be sprayed with 3000 % Chrysanthemum Chloride 3000 times solution, 20% fluorinated EC, and 10% BRMA EC 2000 times. The larvae need to be rooted with 500% phoxim 500 times solution or 90% crystal trichlorfon 800-1000 times solution.
SMART Digital Bluetooth Hearing Aids
SMART Digital Bluetooth Hearing Aids
Shenzhen Sunshine Technology Co.,Ltd , https://www.yatwin.com