In the mid-growth phase of the flower and fruit fertilizer, the urea-recovery plots require 7.5 to 10 kg of urea, 25 to 30 kg of superphosphate, and 10 kg of potassium sulfate during the early flowering period; Mushi Gypsum powder 20~30 kg, to promote the development of pods, increase fruit rate.
To cultivate the earth by the method of needle-cultivation: Put a ring of grass on the hook, squat and yank and pull the soil on both sides of the peanut base, but do not bury the base of the stem. The soil is generally divided into two stages, and the second time is performed about 10 days after the first soil cultivation.
The optimum soil moisture content in the two stages of flowering and flowering is 60%~70% of the maximum water holding capacity in the field, and watering in case of drought. Watering methods should be selected to spray or small water fast furrow irrigation, avoid flooding irrigation. Precipitation promptly drains, so as not to cause a lot of rotten fruit, reduce production and quality.
In order to control the stability of long-term, high-yield peanut farms at the end of the flowering period and when the main stem is more than 40 cm high, 15% paclobutrazol WP 50 grams of water and 50 kg of water per acre is sprayed to control and promote plant lodging. In the green peanut production field, the use of chemical plant growth regulators is prohibited, and the growth points of the main stem and lateral branches of peanuts must be manually removed for control.
Preventing premature senility for under-application of basal fertilizer or high-yield field peanuts, spraying 1% urea plus 0.5% potassium dihydrogen phosphate mixture solution for 30 to 50 days before harvest, each time 50 kg of fertilizer solution per acre. Spraying once every 10 days, usually spraying 2 or 3 times, has a significant effect on improving the photosynthetic capacity of leaves and promoting the fullness of pods.
Prevention of Pests and Diseases Peanuts During the middle growth period, the main pests and diseases were leaf spot, ticks and cotton bollworm. In the early stage of leaf spot, spraying 40% carbendazim suspension 1000 times or 50% thiophanate-methyl WP 2000 times, spraying once every 7-10 days, spraying 3 times per acre Each time spraying liquid 50 kg.
Prevention and control of earthworms should be mixed with 50% phoxim and 0.25 kg of sulphite and 35 kg of fine soil to make poisonous soil. The agents for controlling Helicoverpa armigera mainly consist of 50% phoxim emulsions or 1500 times 20% fast killing diced fractions, 2.5% decreptochlorids 1500 times, and 20% metformyl 1200 times.
Timely harvest When most of the leaves fall off, the top leaves turn yellow, the stems turn yellow and soft, and most of the pods are full, we must seize the harvest. The late harvest has resulted in more fruit failures, difficulties in picking up, lower output, and deteriorated quality.
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