1. Cowpea is usually sown in spring, summer and autumn every year. The suitable sowing period is from late February to late March in spring and from April 20th to June 30th in summer. The sowing time in autumn is from August to September, and the survival rate of sowing in these three periods is relatively high.

2. Before cowpea is sown, the seeds must be carefully selected and aired for 1 ~ 2 days. Generally speaking, dry seeds can be directly sown or soaked in warm water at 25 ~ 30 degrees for a short time. Cowpea seeds are taken out after water absorption and swelling, dried in the epidermis and sown.

3. Cowpea is generally sown in holes. Before sowing, ditch and water, and start sowing after the water seeps down. Put 4 ~ 5 seeds in each hole and cover it with 2 ~ 3 cm thick soil.

Tips for buying canned beans

Look at this color.

Dark green cowpea is more fresh and crisp, preferably symmetrical in thickness, bright in color, transparent and shiny, full of seeds and free from pests and diseases.

Listen to the sound.

The tender cowpea is easily broken, and the sound is crisp when it is broken; Old cowpea is not easy to break, and the sound is boring when it is broken.

Look at beans

The bigger the cowpea, the older it is, and the smaller the cowpea, the more tender it is. The old cowpea is very dry and has no water, while the tender cowpea is full of water.

Touch by hand

Touch the cowpea with your hand, the pod is more firm, elastic and tender; If the pod feels hollow, it means it is an old cowpea.