There are two kinds of zucchini cultivation methods. One is large and small rows, 80 cm in large rows, 50 cm in small rows, and 45-50 cm plant spacing. ~ 2200 strains. If the temperature is low after planting, cover the small arch shed in time, and if necessary, add cold protection facilities such as grasshoppers.
1. Temperature management. The stage of slow seedlings after planting is not ventilated and closed to increase the temperature and promote early rooting and slow seedlings. During the slow seedling period, the shed temperature should be maintained at 25-30 ° C during the day and 18-20 ° C at night. After the seedlings are slowed down, the temperature is appropriately reduced, and the greenhouse temperature is controlled at 20 to 25 ° C during the day and 12 to 15 ° C at night to promote the development of the plant root system, which is conducive to female flower differentiation and early sitting melon. After sitting the melon, increase the temperature appropriately, and maintain it at 22 ～ 26 ℃ during the day and 15 ～ 18 ℃ at night to promote the swelling of the melon. After entering the fruit-growing season, the temperature gradually rises. It is necessary to gradually increase the ventilation volume and extend the ventilation time. The maximum temperature during the day should not exceed 30 ° C.
2. Generally, do not water during the period of slow seedling. If the water is insufficient during planting, water can be poured once according to the soil conditions. Control the watering after the seedlings are planted until the root melon sits. When the root melon sits, pour water once, and apply 10 to 15 kg of urea or compound fertilizer every 667 square meters with the water. After entering the fruiting season, water it in time according to the weather conditions and soil conditions. Generally, water it every 7 to 10 days, and apply urea or compound fertilizer 10-15kg with water. Watering should be carried out in sunny morning as much as possible. After watering, pay attention to ventilation and dehumidification. If possible, use drip irrigation and subsurface irrigation.
3. Plant adjustment and protection of flowers and fruits. Due to the use of dwarf, early-maturing varieties in spring planting cultivation, hanging and bundling are generally not required during the growth process, and old, diseased and yellow leaves should be removed in time during the growth process. Due to the low temperature in the spring and the obstruction of facilities, there are few pollinating insects, and the parthenocarpy ability of zucchini is very poor. As a result, in the spring, facility cultivation often causes flowering or melons due to poor pollination. The anti-falling factor is applied to the flower stalk of the female flower for fruit preservation.
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