1. Choose a plot. Peanuts are drought-tolerant and barren-resistant. They like sandy loam with good permeability and large temperature difference between day and night. However, the pure sandy soil has poor fertility and should not be planted. The yield of spring peanuts in mulching film is high, and the demand for fertilizer is greater. To increase peanut production to the greatest extent, spring peanuts for mulching film should be fertile with good soil and soil, good physical and chemical properties, and good permeability.
2. Choose the best kind. Plastic film mulching peanuts should be selected for large yield potential, high yield, strong resistance to disease, good early maturity varieties of large and medium-sized fruit such as Huaihua No.2, Huaihua No.6, Huanhua No.7 and other fine varieties.
3. Seed treatment. Peeling of peanut seeds prematurely can lead to reduced quality and reduced activity. It is better to peel the shell about two weeks before planting. Put the peeled seeds in a woven bag and choose a ventilated and dry place for storage. 3 to 5 days before sowing, choose fine weather before and after noon, drying for 2 to 3 hours, and then sort and process the seeds, remove the diseased grains, residual grains, germinating grains, insect bites. Then use Shiloche seed dressing to prevent stem rot and root rot.
4. timely sowing. Sowing too early, the temperature fluctuates, cold springs and cold waves threaten peanuts. Light lack of seedlings broken ridge, heavy deterrence. Delayed sowing period, the corresponding delay in the listing period, will affect the planting income. In normal years, the spring peanut seeding period of mulching film is 15 days earlier than that of spring peanuts in open field, and it is generally suitable in April and 20th in April and 20th in the central and southern Yunnan region.
5. Balanced fertilization. Peanut itself has a nitrogen-fixing effect. The demand for nitrogen fertilizer is small, and the demand for phosphorus and potassium fertilizers is relatively large. To achieve the combination of organic fertilizers and chemical fertilizers, organic fertilizers are all used as base fertilizers. General Mushi farmyard fertilizer 5000 kilograms, potassium sulfate compound fertilizer 35 kilograms as a one-time application of base fertilizer. Increase calcium fertilizer to effectively prevent rotten fruit and black plaster spots, and apply 50 kg of superphosphate calcium phosphate fertilizer per acre. The increase of 1 kg of boron fertilizer and zinc fertilizer can significantly increase the fruit setting rate and increase the fullness of mango fruit.
6. Suitable density. Starting from the first, the base is 85 to 90 cm wide, 50 to 55 cm wide at the top, and 10 to 12 cm high. In the production generally use a film of double row cultivation mode, spacing 30 cm, spacing 15-18 cm, generally acres of planting 10,000 points or so.
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