1. Land selection: Soil with high soil fertility, deep soil layer, good air permeability and high organic matter content should be selected. Remove leaves and weeds from previous crops in the field, and remove insect sources and bacteria from the soil. Dig deep into the land, with a depth of15-25cm; Apply sufficient base fertilizer per mu, about 2500 kg of decomposed organic fertilizer and 30-50 kg of special compound fertilizer for vegetables; Soil preparation: the width of the border is about 80cm, the width of the ditch is about 40cm and the depth of the ditch is 25-30cm.
2. Sowing: According to local climatic conditions, production season, market requirements, production habits, etc. Select varieties with high yield, disease resistance, good quality, good pod appearance, neat length and good commodity to ensure the purity of varieties. Generally, seeds are sown from early April to early August, with three or four seeds per hole, two rows per border, and the spacing between holes (plants) is about 25cm. Water before sowing, and cover the soil 2 cm after sowing.
3. Management: After all the seedlings are leveled, the weak and poor seedlings are removed, and 2 seedlings are left in each hole. When a seedling grows to five or six leaves, it should stand up to attract vines. The frame is made of "human" and is about 2 meters high. After emergence 10, thin farmyard manure, such as human manure and human urine, is poured once or twice according to the growth situation. At the initial stage of flowering and pod setting, water should be poured every 7 days, and Woye water-soluble fertilizer should be topdressing every 3-5 times. Weeds should be cultivated and hoed to prevent pests and diseases.