During the symbiosis between peanut and wheat, the lack of sunlight in the lower layer of peanuts causes the seedlings to be fragile. After the wheat harvest, early cultivating and quenching the alfalfa should be carried out to regulate the water, gas and heat in the soil, increase soil permeability and promote root development. The formation of nodules and the robust growth of seedlings are conducive to flowering the lower needle. Quercus chinensis reduces the consumption of water and nutrients in the soil and reduces the pests and diseases. The cultivating should be done to lighten the grass, deepen the loose soil, and carelessly. Each time the cultivating soil is loose and even, loosen the soil around the peanuts and clean the weeds. If it rains after cultivating, it should wait until the weather turns fine before cultivating once. Generally it is necessary to cultivate 3-4 times. Combining cultivating and cultivating soil makes a large number of fruit needles into the soil.
Early application of seedlings, as appropriate, topdressing. After the wheat is harvested, it is necessary to combine the cultivating and smashing, watering, and early application of the seedling fertilizer to play the role of seedlings and flowers, laying a foundation for the growth and development of peanuts in the middle and late stages. According to the multi-point test, the application of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer can significantly increase production. Generally, the effect of phosphate fertilizer is the best, followed by nitrogen fertilizer, and the combination of two elements or three elements is better. The amount of topdressing is 15000-22500 kg/ha with fine organic fertilizer, 75-112.5 kg/ha of urea, and 225-300 kg/ha of superphosphate. The top dressing time is suitable before the flowering period on June 25th. The topdressing is too late, and it does not play the role of raising the seedlings, and it is easy to cause the peanuts to grow. The absorption of nutrients in the middle stage of peanut growth reaches a peak, and the plant should be depending on the plant's appearance. For the land with insufficient nitrogen fertilizer, 30-60 kg/ha of urea is applied; the phosphate-deficient plot is over-loaded with calcium phosphate 150-225 kg/ha; and the potassium-deficient plot is chased with ash 1500 kg/ha. Peanut seedlings are yellowed due to excessive rain, and can be sprayed with 0.2% aqueous solution of ferrous sulfate. Spray once every 7 days and spray 3 times.
Drought prevention and drainage, control is prosperous. Peanut is a drought-tolerant and awkward crop, but the flowering and fruit-filling period is a critical period of water and very sensitive to moisture. With the slashing and cultivating, it is necessary to organize the irrigation and drainage system in time to prevent drought and rain. When there is insufficient rain in the soil after the wheat, the water should be timely watered before the initial flowering period after the top dressing, and it is better to use small water or pouring. If there is no rain in July-August, it should be timely flooded to ensure the normal growth of flower pods. The water in the rainy season drains in time.
It is easy to grow up in the late stage when there is too much rain or high yield. If the height of the high-yield plot is more than 40 cm and there is a tendency to prosper, the surface should be sprayed with 50 ml/kg of paclobutrazol to prevent it from falling.
Foliar spray fertilizer to prevent premature aging. At the late stage of peanut growth, pay attention to root-protecting leaves, using 375 g/ha of ammonium molybdate, 750 g/ha of borax, 1500 g/ha of urea, 1500 g/ha of potassium dihydrogen phosphate, firstly warmed with warm water, and added together with 50 kg/ The hectares are dissolved in clear water, and the stems and leaves are evenly sprayed 2-3 times every 7 days.
Timely control of pests and diseases. Selecting resistant varieties and pests, insisting on crop rotation, eliminating pests and parasitic weeds can achieve the purpose of comprehensive prevention and control.
Harvest at the right time and store safely. Peanuts should be harvested in time after maturity, not only to prevent fruit drop, rotten fruit, mildew, but also to dry in time, safe storage, to prevent mildew and aflatox contamination.
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