Don't fertilize your sweet potatoes at planting time — they don't require much in the way of nutrients. An excess of nitrogen will encourage leafy growth rather than big tubers. The best soil for sweet potatoes is loose and rich in organic matter. 29 янв. 2021 г.
Which fertilizer is good for sweet potatoes?
Because potatoes are a root vegetable that grows below the surface of the soil, phosphate and potassium are more beneficial to potato growth. A fertilizer formula of 5-10-10 or 8-24-24 works well for sweet potatoes. You can begin fertilizing sweet potatoes about 2 weeks after transplanting them into your garden.
How much fertilizer do you put on sweet potatoes?
Soil pH and Fertilizer A crop of sweet potatoes utilizes about 110 pounds of nitrogen, 15 pounds of phosphorus, and 150 pounds of potassium per acre from the soil. Based on OSU soil test results, the following amounts of P2O5 (phosphorus) and K2O (potassium) are recommended (Table 2).
How do you increase the yield of a sweet potato?
Tips to increase sweet potato yields Ridges help heat up the soil and reduce flood damage. Black plastic or silage tarps set out 3 weeks before planting warm the soil considerably and increase the growth rate. In colder climates, plant under low tunnels of clear plastic. Ventilate in hot weather.
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