2. Sow and raise seedlings. Apply base fertilizer, clean the compartment surface, sow 3 ~ 4 seeds in each nest, and cover with film after spraying herbicide. Pay attention to breaking the film, releasing the seedlings, separating the seedlings and fixing the seedlings in time. Leave 2 ~ 3 green beans in each nest, and leave 1 ~ 2 frameless cowpeas in each nest.

3. On-site management. Fertilizer and water management should master the principles of less prophase, control before vine pulling and accelerated pod setting period. After pulling the vine, topdressing should be started, and topdressing should be done every 10 ~ 15 days in the pod setting period, and about 5 kg of urea should be applied at 2 points every 667 meters, and 0.5 kg should be used alternately in the harvest period. 3% potassium dihydrogen phosphate and 0. Spraying 5% urea solution on the leaves, properly removing old, yellow and diseased leaves in the later stage of pod setting, and supplementing urea with water to prolong the harvest period. At the same time, pay attention to wiping the lateral buds, beating the tips, preventing and controlling pests and diseases, prohibiting the use of chemical pesticides banned by the state, and harvesting them in time.