Purple sweet potato yield per muPurple sweet potato is a very high-yield crop. Generally speaking, the annual yield per mu is about 2,000-5,000 kilograms, but the specific yield depends on factors such as the characteristics of the variety, the climate of the origin, and the purple sweet potato variety. Purple sweet potato planting profitThe current market price of purple sweet potatoes is about 2 yuan per catty. The cost per mu of land, including rent, water charges, labor, etc., is about 1,000 yuan. If the yield per mu is 3,000 catties, then the income per mu can be 4,000-5,000 yuan. Purple sweet potato has now become one of the more common foods. It has high nutritional value and low calories, and is deeply loved by people who are losing weight and exercising. The demand is also increasing day by day, so the cultivation of purple sweet potatoes has good market prospects. High-yield planting technology of purple sweet potato1. Land preparation and fertilization It is best to do land preparation on a sunny day. The soil needs to be broken up and leveled into ridges. The ridge height should be about 20 cm and the row spacing should be about 80 cm. After land preparation, you can also add an appropriate amount of organic fertilizer as base fertilizer. 2. Variety selection If you want to eat purple sweet potatoes fresh, it is best to choose varieties with good taste, good disease resistance and beautiful appearance. 3. Seedling selection Purple sweet potatoes can generally be taken out of the cellar for seedling cultivation only when the temperature is stable at 15℃. Arrange the seeds evenly on the seedbed and then cover them with fine soil and plastic film. |
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