temperature control. Increase the amount of ventilation, and implement day and night ventilation by the end of May, and install an insect screen in advance at the vents to keep them at 25 to 32 degrees Celsius during the day, with a maximum of 40 degrees Celsius and 15 to 20 degrees Celsius at night.
Fertilizer management. With the increase of production, increase the supply of fertilizer and water, topdressing nitrogen, phosphorus, potassium compound fertilizer + plant e-powder, pouring water once every 4 to 6 days, chasing a fertilizer every other water.
Plants promote fruit. The main side of the vine vines, do not take the heart, combined with vines, tendrils tendrils, detached flowers, cut thin or dense dendrite. In order to increase the rate of culturing sativa, spraying Zhuanggutiling + new high-fat membrane before flowering, young fruit stage and inflating stage can activate the positive growth energy of plants, broaden the route of plant conduits, enhance plant water absorption and absorption, and increase fruit yield. quality.
Pest Control. Bitter gourd pests mainly include powdery mildew, whitefly, aphids and cabbage caterpillars. Pieris can be used Bt emulsion 500 times liquid + 800 times the new high-fat membrane control, prevention and control of aphids with 10% imidacloprid wettable spray, spray should pay attention to the same side of the leaf spray. Using the characteristics that whitefly has a strong tendency to yellow, the yellow plate was hung in the protected area during the early stage of whiteflies, and oil was applied on the top of the row of plants to trap and kill adult worms. The use of 27% new high-fat film mother liquor 70-140 times, sprayed on the leaves in the early stages of disease control powdery mildew, sprayed 7-14 days, even spray 3-4 times.
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