First, timely release seedlings, replanting, Qingzhi. Peanut-covered peanuts When the seedling top cracked soil is green, the soil (heap) above the sowing row is withdrawn to the furrows to reveal the cotyledonary nodes. Peanut seedlings can not be automatically broken film out of place, to artificial membrane rupture seedlings. After Qimiao, it is necessary to check the seedlings in time. If there are 2 or more piers missing continuously, they must be replanted. Since the beginning of the planting period (the main stem has 4 compound leaves), it is necessary to promptly inspect and draw the lateral branches buried under the membrane to make it grow robustly. It needs to be carried out 2 or 3 times before flowering.
Second, timely irrigation and drainage, drought, flood control. Spring and summer peanuts planted in sufficient quantities are generally not watered at the seedling stage. Proper drought is favorable to the development of the root system and improves the ability of drought resistance and drought resistance of plants. During the seedling stage of wheat, peanuts appear drought, and they must be watered and preserved in time. The mid-fertility period (flower needle stage and scab stage) is the most sensitive period of peanut reaction to water, and it is also the period when most of the water is needed in a lifetime. When the plant leaves are wilted before and after noon, they should be watered in time. In the later period of childbirth (full fruit period), drought should be treated with water in a timely manner, and water should be poured to prevent premature aging and aflatoxin contamination. In addition, the peanut field should be able to communicate smoothly and without water damage.
Third, timely cultivator, topdressing, herbicide. Wheat sets of peanuts are cultivated and weeded immediately after harvest. The plots that need to be topped up are ditched and topdressed on the side of the peanut plants. Then the soil is covered with soil and the cultivator is suitable. When the peanuts in the field are close to the ridges, the two rows of peanuts are used to cross the soil and the soil is used to make the ditch clear, soil, ridge and waist fat, ridge concave, so that more fruit needles into the soil.
Fourth, timely prevention and pest control. When the leaf rate of peanut disease reached 10%, 60% Baitai WP 1500 times, 70% thiophanate-methyl wettable powder 500 times, 43% tebuconazole 1500 times and other fungicides alternately sprayed leaves. Face, even spray 2 or 3 times, interval 10 to 15 days, control of leaf spot, net spot and so on. Root knot nematode disease can be rooted with 1.8% avermectin EC 1000 times. Foliar spraying of 1.8% abamectin EC 2000 ~ 3000 times, or 40% phoxim EC 1000 ~ 1500 times, to control the bollworm, Spodoptera litura and other pests.
Fifth, early control and prevention of apprehension. When peanut main stem height reaches 30~35cm (general field) or 35~40cm (high yield field), use 5% Uniconazole 40~50g wettable powder (effective ingredient 2 ~ 2.5g) per mu and add 35~40kg water For foliar spraying, if the height of the main stem exceeds 45cm, it can be sprayed one more time to improve the seed setting rate and fruit filling rate.
Sixth, top dressing against premature aging. After entering the full fruit period, prevent premature aging. Per acre foliar spraying of potassium dihydrogen phosphate 120 ~ 150g + urea 350 ~ 400g + 75% chlorothalonil WP 70 ~ 80g and other fungicides mixture of 35 ~ 40kg, even spray 2 times, interval 10 to 15 days, Extend the functional period of peanut top leaves.
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