Long bean is a kind of leguminous vegetables in Rosaceae, also known as cowpea, long bean, long bean and so on. Strong adaptability, can be planted in the open field and maintained in greenhouse. At the same time, it can be produced all year round and can be marketed all year round. Long beans can be sown at any time. Sow in February-March in spring, May-June in summer, September-65438+1October in autumn, and winter165438+1October. At this time, the temperature is not so low, and seeds can still germinate.
Long bean sowing method
Long beans can be sown directly. Dig pits every once in a while when preparing the soil, then sprinkle 3-5 seeds in each pit, apply some fertilizer next to it, and then bury it. Be careful not to apply fertilizer directly next to the seeds, which will lead to seed rot and affect germination.
Methods and key points of long bean planting
When the height of long bean seedlings reaches 30cm, scaffolding will be set up. Water properly before flowering to keep the soil moist. During flowering, timely fertilization can increase yield. If there are pests such as stem borers and cowpea stem borers, it is necessary to spray pesticides in time to prevent and control them.
Mature harvest period of long bean
The harvest period of long beans is generally about 80 days, and the yield varies with varieties, generally between 4000-5000 kg. The yield per mu of high-yield No.2 bean is about 5,000 kg, that of Tangang oil mung bean is about 6,000 kg, and that of Xiabao bean is about 4,000 kg.