Cowpeas are long cowpeas, also known as black navel beans, carob beans, belt beans, rice beans, black-eyed peas, rainbow beans, etc. Cowpeas are called differently in different places. Cowpea is a dryland plant that grows in fertile soil with deep, loose soil and strong fertilizer and water retention. Cowpea is an annual twining, herbaceous vine or nearly upright herbaceous plant. It is one of the delicacies on the table and can improve the appearance and health.

Propagation methods:

1. Land selection: The growth characteristics of cowpea determine its own high requirements for soil conditions and plot environment. The root system of cowpea is relatively short. Therefore, the soil porosity in the planting area is required to be moderate, and for the normal growth of the cowpea root system, repeated sowing needs to be avoided as much as possible.

2. Land preparation and fertilization: Before planting cowpeas, corresponding land preparation operations need to be carried out to effectively clean up the stubble of previous crops. At the same time, weeds and debris on the surface should be removed. In order to ensure that cowpea planting is not affected by pests and diseases, it is necessary to burn all weeds and previous crops after removal to reduce the probability of disease during cowpea planting. After all the debris on the surface of the plot has been cleared, corresponding deep plowing work needs to be done. The depth should be controlled at 30 cm. Ridging should be carried out 3-4 days after the deep plowing operation is completed to ensure that the ridge spacing is 70 cm. Special attention needs to be paid to applying a sufficient amount of base fertilizer based on the nutrient requirements for cowpea growth, mainly nitrogen, phosphorus and potassium fertilizers to ensure the normal growth of cowpeas.

3. Sowing and propagation: Sowing can be done when the temperature is stable at 10°C. Manually plow the ridges in a single row, with a spacing of 30-32 cm, and sow three or four seeds in each ridge. , cover with 3 cm of soil.