Autumn red carp is cultivated according to technical requirements, scientific management of the field, in order to high yield, farmers friends may wish to try this -
Select good varieties such as “Sushu No.7â€, “Sushu No.8â€, “Yusu 303â€, “Xushu 18†and “Zizi 263 (Zixin)†for early maturity, high quality and high yield; Thick and dense, tender and tender, rich in pulp, disease-free, no degradation, no adventitious roots with flat-headed seedlings; different varieties are planted separately.
Early planting and early planting can prolong the growth period of the field and increase yield and quality. For example, in the eastern part of Sichuan, the most suitable planting period for autumn red dragonfly is from late July to early August. In order to ensure maturity, it is not allowed to postpone until the beginning of autumn. It should be noted that many farmers' friends are accustomed to planting the land after the rain, and some even planted in late August, wasting a good autumn light, it is a pity.
Fertilize in the field of light soil or sandy soil, open the main ditch, furrow and furrows, so that the ditch system is smooth, the ditch bottom is straight, and the rain stops and ditch. The NPK with a NPK of 15-8-16 is 25-30 kg of high-efficiency compound fertilizer, and the ridge is leveled after being evenly applied.
There are two kinds of high ridge ridge specifications: one is ridge bottom width 1.2 meters, ridge height 40 cm, ridge surface width 70 cm, 3 rows of wrong nests per ridge (walking horse planting), nest spacing 33 cm, 5000 plants per mu; The other is the ridge bottom width of 1 m, the ridge height of 33 cm, the ridge surface width of 60 cm, each ridge planted double rows of wrong nests, the nest distance of 33 cm, 4000 plants per mu, the nest distance of 30 cm, 4400 plants per mu. Also note that density corresponds to the growth habits of the variety.
Plated on a sunny afternoon or cloudy day, choose a strong seedling that is not affected by drought and aging. The seedlings are 30-40 cm long, 8-10 pieces of green leaves have been unfolded, and the base of the seedlings is preferably 2-3 5-10 cm. Long buds. When planting, first use a small "grey knife" or "grey scorpion" to open the nest, then the red sapling seedlings into a ring shape, into the soil 10-13 cm deep, 6-7 knots, the soil part should be flat, cover the soil In fact, it is loose, revealing all the leaves and the tip of the seedlings, and immediately penetrates the human and animal manure to stabilize the tree. In case of soil drought, you can first open the pond and fill it with water, and then harvest it after harvesting. If it is high temperature and strong light, you can use straw to cover the night for 2 to 3 days, or when planting, only the top three leaves of the seedling tip are exposed, and the remaining leaves are buried in the soil. Eli full seedlings survive. The main points are: long-tailed vines, flat-panels, and burying leaves.
Field tube topdressing and raising seedlings: 7-10 days after planting, cultivating manure, 20-30 for manure and livestock, 10-15 kg of ammonium carbonate or 5 kg of urea (preferably 40% of high-efficiency compound fertilizer 7-10 kg) At the same time, the use of 100-150 kg of super-calcium ash with 25-30 kg of plant ash is applied to the pond, and should not be applied in the pond (the base fertilizer uses high-efficiency compound fertilizer to use only human and animal manure to raise seedlings); when the vine leaves are closed, Mu with 21.8% zinc sulfate 0.5 kg or compound zinc fertilizer 0.8 kg water 50 kg foliar spray; in early October, the use of potassium dihydrogen phosphate 100 g, urea 150 g, water 50 kg foliar spray 2-3 Times.
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