Selecting good breeds and keeping fields in the field require no pests and diseases, and timely harvesting. To mention the city in the morning, it is recommended to heat and germinate the seed pods, and select the sheds in Xiangyang Gaozao. In late January, the pods should be sorted by small heads and then placed on top. After the seeds are planted, 2~3cm thick fine soil shall be covered to make the pods. Kind does not reveal the ground. Then lay a layer of plastic film and cover it with a small shed. Plowing and ploughing, plowing in winter, plowing, plowing the next year to make the soil loose, and then open the ditch to do, the width of 1.8 meters. The application of base fertilizer requires a large amount of fertilizer, and it is necessary to apply sufficient basic fertilizer. The basic fertilizer accounts for about 90% of the total amount of fertilizer and is applied during the second plowing. Generally, 1200kg of manure is applied in Mushi, 100kg of ammonium bicarbonate, and 50kg of imported compound fertilizer. Phosphorus and potassium fertilizer each 15kg. To mention the city in the morning, the first is to use heat preservation germination seed pods, generally in early February the seed buds have been arranged to the field, when the buds grow about 1 ~ 2cm; second is to cover the cover film insulation, promote early maturity, For each pod, 3 rows, 55cm spacing, 58cm spacing, about 1700 per mu. After the first leaf is unearthed, it is necessary to prevent the temperature inside the membrane from burning too much and affect the whole seedlings. For this reason, a hole should be formed on the film to expose the leaves, followed by sub-cultivation. In the middle and late stages of growth, high temperature and dry weather must be timely watered and moisturized. Night irrigation should be used to meet the physiological water requirement and improve the field microclimate.
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