Second, sowing nursery: the implementation of vines nursery, with the election last year to protect the safety of winter vines germination and then inserted in the nursery box. According to the box width of 1.5 meters, the width of 20 to 25 centimeters of the specifications of the whole field for the car, apply enough base fertilizer, sowed by sowing the way to sowing, per acre seedbed seed vines 150 to 200 kg. After sowing, cover the plastic film to keep warm and keep moist. After the seedlings are unearthed, remove the film. When the seedling height is about 30 cm, the vines are captured, advancing the adventitious roots of the vines, drawing long side branches upwards, and then using a lateral branch cutting and planting with a certain size.
Third, fertilization transplanting: water spinach on the soil conditions are not strict, should choose low-lying, moist and fertile soil on the wet soil cultivation. The base fertilizer is mainly organic fertilizer and phosphate fertilizer, and a certain amount of plant ash can be applied. Its cultivation specifications are 30 to 35 centimeters in row spacing and 15 to 20 centimeters in nest space. In addition, during the growing period, about 15 cm of top tip can be picked and cut again. As long as the soil moisture is suitable, the shooter will soon grow adventitious roots and shoot new shoots.
Fourth, field management: In the early stage, timely cultivating and cultivating soil shall be adopted to increase the ground temperature. During the growing season, the fertilizer needs a large amount of water, which requires constant watering and pouring of water (air drying, insufficient soil moisture, which can easily lead to increase of spinach fiber, affecting yield and quality), and combining top dressing with watering. After the first harvest, 15 kg of urea or 20 kg of diammonium phosphate is applied per acre, and top dressing is applied with irrigation water. After every 20 days or so, topdressing 1 time, Mushi urea 3 ~ 5 kg. In the autumn, the temperature turns cold, and we need to timely cultivating and weeding, and pay attention to the control of red spiders and other pests. In addition, the excessive branching, the crowded and delicate parts of the branches must be thinned, so that the vines have a balanced growth, good ventilation and light transmission, and improve product quality.
V. Harvesting Technology: Timely harvesting is the key to the high yield and quality of water spinach. In production, it is usually harvested when the seedling height is 25 to 35 cm. During the first and second harvest, the stem base should leave 2-3 knots to facilitate germination of the new shoots after harvesting, promote lateral branching, and strive for high yield. After harvesting 3 to 4 times, the plants should be re-harvested once, that is, only 1 or 2 books are kept at the base of the stem to prevent the occurrence of excessive collaterals, resulting in sluggish growth.
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