Cowpea planting technology
Cowpea is a leguminous plant that has a good digestive effect. Many people like to make cowpeas for cold salad. Kidney beans have a certain appetizing and spleen effect. Kidney Bean is a healthy green food for all ages. It is mild, neither cold nor hot. The following small series gives you a detailed introduction to the cultivation techniques of the kidney beans.
1. Selection of improved varieties: Kidney beans can be cultivated in spring, summer and autumn in Wuxi, and the growing season is long. The appropriate varieties must be selected according to the climatic conditions of each season. Generally, the varieties I commonly use are the 豇 series, Yang 豇 series, Nanjing star series, Swallow belt, seven inch 豇, eight inch 豇, 豇 豇 beans.
2, cultivation season and sowing period: early spring cowpea can be planted in the greenhouse and other facilities in the late March to early April, after mid-April, the film can be broadcast live, from the end of April to the beginning of May can be exposed to live broadcast. The sowing time of spring and summer cowpea can generally last until mid-July. Autumn peas are sown in the first seven months of July to August, with seven inches and eight inches.
3, soil preparation and application of base fertilizer: cowpea bogey continuous cropping, need to be rotated for more than two years, otherwise it is prone to disease. After harvesting, 20 to 30 centimeters deep, 20 kilograms of base fertilizer, 25 to 30 kilograms of superphosphate, 50 to 75 kilograms of plant ash or ash or 10 to 20 kilograms of potassium sulfate. Acidic soil can be suitably added with 75-100 kg of lime, and then the soil is broken and flattened to make a sorghum of 1.3 m wide.
4, reasonable close planting: early spring cowpea due to low temperature, rain, and promote seedling transplanting. After the seedlings are unearthed, the first pair of true leaves should be planted when they have not yet been unfolded. The principle of planting small and planting drought should be mastered. Two plants per hole were planted. Most of the summer and autumn cowpeas are used for live broadcast. The seeding rate per hole is as small as 3 to 4, and as many as 4 to 5, and two plants are left between each hole after emergence. The seeding density is 0.8 to 1 meter and the plant spacing is 0.26 to 0.33 meters.
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