First, choose the land
It is convenient to choose irrigation and drainage conditions, deep soil layer, good permeability, sandy soil with high organic matter content and pH 6.5. When it is tampered with, the ploughs are sun-dried first, and then finely chopped, with a width of 80-85 cm wide and 25-30 cm high. It is advisable to use paddy fields and dry fields for the purpose of avoiding continuous production of legumes.
Second, timely sowing and reasonable close planting
Spring: The temperature is stable when sown at 1°C, and in the late March to mid-April.
Autumn: Suitable for the middle or late July. Selected seeds, full use of grain, no cracks, no lesions last autumn seeding, seed drying before planting 1-2 days, after sowing time with soil fertilizer or sandy soil cover.
Reasonable dense planting: Adopt spacing 25-35 cm, plant spacing 23-25 ​​cm, about 15,000 plants per mu, about 5 kg per acre, 2 plants per hole.
Third, scientific fertilization
In combination with the whole planting, 67kg farmyard fertilizer plus 15kg calcium magnesium phosphate per acre is used as a base fertilizer. The first time in the week after emergence, topdressing, with 15kg per compound fertilizer or 15kg of ammonium bicarbonate, 15kg of superphosphate mixed evenly, watered 750kg poured in the middle of the wolfberry. The second topdressing in the branching stage, combined with soil per acre applied 20kg ternary compound fertilizer or 20kg ammonium bicarbonate, 15kg superphosphate mixed evenly, watered 800kg applied to the middle of alum. Generally do not top-dressing after flowering, if the seedlings can not be closed, light recovery of 4.5kg urea per acre.
Fourth, water management
Vegetable soy sensitive, watery and taboo, the general seedling stage should maintain a low soil moisture, germination and differentiation period to flowering and pod stage, should be shallow water ground irrigation, keep the soil see wet not dry, after entering the drum grain period should be Wet and dry alternate protection against premature aging.
Fifth, timely harvest
Generally, it is best to harvest fresh green pods when the pod size reaches 80% or more and the appearance of the oyster shell is green. At this time, the beans are fresh, with good flavor and good appearance quality. Autumn sowing should be immediately harvested when 80% of the fields in the field turn brown. After harvesting, spread the sun and promote ripening to increase the complete grain rate.
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