Pharmaceutical Intermediates
Pharmaceutical Intermediates Pharmaceutical Intermediates,Ziprasidone Intermediate,Palbociclib Intermediate,Lcz696 Intermediate Nanjing Sunshine Biotech Co., Ltd , http://www.sunshine-bio.com
Late management of top dressing and prevent premature aging. In the middle to late stages of fruiting, the plants are mainly transformed from vegetative growth to reproductive growth. To protect functional leaves and prevent premature aging of defertilizer, the plants can be sprayed with 2% urea and 3% superphosphate solution. Or 0.2% ~ 0.3% potassium dihydrogen phosphate solution, or 10% ash leaching of plants and so on.
Drought prevention and drainage. In the late growth stage of summer peanuts, it should be ditched and watered in case of drought, and should not be flooded. In the event of a locust plague, it can easily cause rotten fruit and buds in later stages of peanuts. Therefore, it is necessary to drain water in time to reduce the rate of buds and rot.
Timely prevention of pests and diseases. The main pests in the middle and late stages of growth of summer peanuts include cotton bollworms, aphids, and underground pests that damage the leaves, roots, and young fruits of peanuts. The control of Helicoverpa armigera can be controlled in the initial stage of the outbreak with a dose of 1 g/l of methomyl or 50% phoxim 1000 times solution; aphids can be treated with 40% omethoate and 30-60 ml per 667 m2; For underground pests, 2.5 kg of carbofuran granules per 667 square meters can be used to control poisonous soil. Peanut mid-late stage diseases mainly include leaf spot, net blotch, yellow leaf disease, etc. Compound carbendazim 200 to 300 times solution or 50% carbendazim wettable powder 1000 to 1500 times solution, or 75% chlorothalonil Clear WP 600 to 700 times, beginning in early August, spraying once every 10 days, and spraying 2 to 3 times for prevention and treatment.
Timely harvest. The growth period of summer peanuts is short, and the fullness of the mangosteens is poor, and they cannot be harvested prematurely. Otherwise, the yield and quality will be reduced. Harvest time must not be earlier than early October. Ensure that the fertility period is no less than 110 days.
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Peanut middling management skills
Mid-term management drought relief. From late July to early August, the peak period of fruit formation and soil penetration is the critical period of peanut water requirement. The most drought-tolerant stage is drought. In case of drought, it must be watered in a timely manner. The watering can be ditched to prevent flooding, and attention should be paid to it. In case of sewerage, prevent water loss and keep it long and stable. In summer, high temperature and high humidity, combined with good conditions for summer and summer peanuts, high density, plant prone to shading phenomenon, when the plant height reaches 40 cm, the main stem daily growth in 1.5 cm, should be sprayed with growth inhibitors, each 667 square meters can be used 15% paclobutrazol wettable powder 40 to 50 grams, 50 to 60 kilograms of water, foliar spray, per 667 square meters can also be used than the long-term solution 35 to 40 kg, foliar spray.