How to grow asparagus on the surface of water?

How to grow water spinach in water? Please guide the water surface planting technology: 1. Make seedlings: When the female stem of the water spinach is planted after the festival, the branches growing from the festival are 20 cm long, and the seedlings with fibrous roots are cut off as seedlings. 2. Cultivation method: Prepare braided grass rope, wooden stake and float (plastic foam ball float can be used on fish net). When planting, the seedlings are inserted into straw ropes at a distance of 15-20 cm. In the crab pond cultivation area, the wooden stake shall be hit at the bottom of the pool, the upper end of the wooden stake shall be exposed from the water surface, the float shall be fixed on the straw rope according to the buoyancy at equal distance, the straw rope shall not be pulled too tightly, the two ends of the rope shall be made into circles and sleeved on the wooden stake, so that the seedlings can float up and down along with the water surface on the straw rope. General crab pond, to water spinach plant after growing up covered with water area should not exceed 30%, if more than this area, can be harvested in time. To speed up growth, 0.5% urea should be sprayed regularly on the leaves, spraying should be carried out in the morning or evening. Leaf rollers can be sprayed with 1/1000 of 90% crystal trichlorfon aqueous solution, white rust can be sprayed with 2/1000 of 65% zinc solution, and attention should be paid to avoid spraying the liquid directly into water to prevent harm to crabs. The main diseases and insect pests of water spinach are leaf curl and white rust. Click for more water spinach growing techniques Click for more vegetable growing techniques