First, fertilization site preparation
Fertilizer potatoes, fertilizer must be applied at the end of the base, Mushi Fertilizer 5000 kg, 50 kg of high potassium compound fertilizer, biological bacterial fertilizer 2 kg, 1 kg of trace fertilizer. Insufficient lyrics must be made before the next species. The time is usually five days before sowing. Can be 50 cm wide, 40 cm apart, and 20 cm long.
Second, seed film
Plastic film potatoes are generally sown in the spring equinox to Ching Ming. When cutting, each seed block retained 2-3 buds. Seed block with dry grass ash or carbendazim and other broad-spectrum fungicides 200 times the water anti-virus treatment, the general amount of mu in 150 kg. Put the buds up when planting. The potatoes grown by this method are relatively concentrated and the seedlings grow quickly. After the sowing is completed, the potato trenches are filled with earth from both sides of the large row, and then the cover film is used to make the plastic film compact.
Third, seedling governance
Sowing for about 20 days, there are seedlings exposed when the soil can be exfoliated at the emergence of mulching film to prevent steamed seedlings, soil around the seedlings with soil pressure strict.
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