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1. Ploughing over 20cm of finely-ground land for planting plots requires fine soil preparation, breaking of soil, removal of debris, etc. Before sowing, the soil should be flat and free of debris.
2. Select the thoroughbred species-selected will-No. 2 and Wei-Wei No. 3 as the main types of virus-free seedlings, promote the whole potato seeding below 50 grams, and cut into pieces of 50 grams or more. If cuttings are sown, the cutters are required to be sterilized and the incisions are smeared with plant ash or charcoal.
3, timely sowing
November 30, 2013 - December 30, 2013 on-demand.
4. Standard planting and ditching management: Wide and narrow row planting, 1.1m width of one zone, 80cm open car, ditch between cars, 30cm wide ditch, 15cm deep ditch in dry land, 25cm deep ditch in paddy field.
Potatoes are planted in two rows in the cabin and covered with plastic film. Row spacing 40cm, spacing 30cm, seeding depth 10cm, mu density 4000 ponds. Sowing process: Drawstrings - Ditching - Seed - Fertilization - Covering - Ridge - Covering. Ridge height: dry land 25cm, rice field 30cm.
5, scientific fertilization per acre with decomposed farmyard fertilizer 1500 kilograms, 15 kilograms of urea, 35 grams of calcium sulfate, potassium sulfate 10 kilograms or 50 kilograms of potato compound fertilizer, a one-time base fertilizer application. Note that 20 to 30 days before sowing, the farmyard manure and calcium sulphide are thoroughly mixed and piled up to maturity.
6. Field management In the early flowering period of potato, a cultivator rakes the soil and strengthens field management.
7. Prevention and control of pests and diseases The integrated prevention and control of potato late blight and other pests and diseases.
Due to the relatively short growing period of winter potato, the potato block is moderate, and the yield is higher. The spring potato is slightly lower, generally reaching about 1,500 kilograms. The product is mainly used as a commodity, and can also be used as a vegetable and edible sale. At the same time, the product is almost free of pesticide residues, resistant to transportation and storage, and can be sold in April-May. It is not a problem to sell and has good economic returns.