Peanut flowering under the needle is a period of rapid growth, hair tree growth, leaf increase, a large number of flowering, peanut production and quality indicators of the most important part. Management should grasp the following technologies:
Fertilizer management During this period, peanuts are very sensitive to drought and flood, and must be watered in case of drought. Fertilization is mainly foliar fertilization. Generally, 0.2%-0.30% potassium dihydrogen phosphate solution is sprayed. (If the leaves are found to be yellow and iron-like symptoms are found, 500 times R & F iron can be used for spraying.) Even spray 2-3 times, spray time is best before 10 o'clock in the morning or after 4 o'clock in the afternoon, the effect is better.
This stage of pest control mainly prevents peanut leaf spot, brown spot, etc., can be sprayed with 500 times carbendazim solution or 600 times mancozeb solution, once every 10 days, even spray 2 times to prevent The effect is good. Insect pests mainly include cotton bollworms, aphids, cockroaches, and golden needles. When 100 strains of cotton bollworms or 100 strains have more than 800 aphids, they should be promptly prevented. In particular, Helicoverpa armigera, with the increase in temperature in recent years, peanuts and bollworms are getting more and more serious. They are mainly damaged by peanuts in the 1-2 year old age. After 3rd year of age, they enter the gluttony stage and eat a lot of leaves and buds, which can cause peanuts to reduce production. %-30%. The specific method is: use 1000 times dish insect net or 1500 insect sweep net to control, the effect is good. If underground pests are found and phoxim is used for irrigating in time, fungicides and insecticides can be sprayed together to achieve the effect of both diseases and insect pests.
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