How to maintain the market advantage of black potatoes
In the spring, potatoes were sold out in southern China when potatoes were marketed in northern China, which provided a favorable market space for black potatoes. In addition to nutrient-rich, colored potatoes rich in purple pigments (such as black potatoes) also have a variety of health effects such as anti-cancer, beauty, and prevention of high blood pressure, which has a strong market advantage.
In the cultivation of black potatoes, the use of greenhouse facilities to plant black potatoes to market ahead of time, and significantly increase the output value of the crop, the time can be advanced to mid-April, the price per kilogram can usually reach 8 yuan. In general, the economic benefits of Daejeon potato are three to four times that of food crops. Potatoes can be sowed at the beginning of March in three-membrane-coverage, maize is grown in mid-April, and potatoes are harvested at the end of May. The corn has just been jointed; maize is harvested at the end of July. In early August, sow autumn potatoes or autumn cabbage. This year three kinds of three income, net income per mu up to 4,000 yuan. In the South, it is also possible to plant an off-season potato or intercropping with other crops. The yield per mu can increase by more than 50%. Potatoes are particularly suitable for multi-cultivation, such as interplanting potatoes and corn, interplanting with cotton, intercropping with fast-growing winter vegetables, intercropping with cabbage, intercropping with potato and intercropping with potatoes and melon.
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