High-yield cultivation techniques of autumn cowpea

1. Reasonable crop rotation, select excellent varieties with strong disease resistance, disinfect the seeds before sowing, and use new high-fat film to dress seeds, which can avoid underground pests, effectively kill harmful bacteria, isolate virus infection, and improve seed germination rate .

2. Seed preparation, select loose, organic-rich land for planting, deepen 25 cm, apply 3000-3500 kg of organic fertilizer and 30-50 kg of special fertilizer for beans per acre. Preparing the ground for hoeing and opening the drainage ditch. By live broadcast, two lines are planted per hoe, and the amount of seed per mu is 2-3 kg. Spray a new high-fat film for heat preservation and protection in time after sowing, prevent soil clumping, cover with straw or shading nets, prevent rainstorm erosion, and promptly remove it after emergence.

3. Field management. After emergence, a small amount of compound fertilizer or urea should be applied to raise seedlings, and watered in a timely manner. Flooding should be avoided, and rainwater should be drained in time. A “herringbone” frame should be set up immediately after the vines are sprayed. During the growth period, spray King Kao 3 to inhibit the growth of the plant and promote flower bud differentiation. At the same time, spray the vegetable and fruit cultivars at the flowering and pod season to enhance the quality of pollen fertilization, which is beneficial to the root system of cowpea The stalks are sturdy, and the cyclic fruit setting rate is strong, which promotes fruit development, has no deformity, good uniformity, improved quality, and makes the fruits and vegetables continuous and high yield.

4. Prevention and control of pests and diseases. The main diseases of autumn cowpea are rust, leaf mold, anthracnose, leaf spot, etc. The main pests are aphids and pod viburnum. Spraying targeted drugs and adding new high-fat film can improve the efficacy and control effect. *, Reduce the number of pesticide sprays and pesticide residues.

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