How to grow purple sweet potato? Purple potato can be grown in such a high yield
Many people prefer to eat purple potatoes. When I was young, I used to add some soil to the surface of the purple potato with my playmate, and then cooked it. The taste was really delicious.
In autumn and winter, people love to eat purple potato porridge, a variety of purple potato taro, purple potato chips and so on. However, the cultivation technology of purple potato is slightly stranger. How can the purple potato grown can be produced high? From selection to planting management, we need strong technology. Below, we will compile the cultivation technology of purple potato to make your purple potato less detour.
Planting purple sweet potato and planting sweet potato is almost the same, plays a vital role in the selection of seeds; the purple potato block is in the shape of a spinning, like a carrot, a string of 5-6. The first is to select the seeds, and prepare the breeding of purple purple on the ground to raise more days, so that the potato pieces mature, and after digging it, it will be exposed to the sun for two days, so that the seeds are dry and kill the bacteria, not to separate them. String storage, reducing the damage of potato chips, generally using the mantle-type thermal insulation technology to ensure the storage quality of seed potatoes.
Choosing the right time to raise seedlings, the best time for purple sweet potato seedlings is in mid-February, the temperature reaches 15 degrees, first make a seedbed, and connect the seeds horizontally on the seedbed. The spacing is about 5 cm, and the soil is covered. Spray the soil with a sprayer, cover the mulch, cover the sky, moisturize and keep warm. When the buds grow to more than 20 cm, they can be cut into the field.
Choosing the right land for planting, the purple potato has high requirements on the soil. It is necessary to choose black soil, sand, high ground and sunny place.
Deeply dig the ridges and plow the soil. Spring planting requires 15 days in advance to start simmering, and the soil is deeply dug to plant purple sweet potato, which is a subterranean tuber crop.
It is beneficial to supplement the basic trace elements in the process of purple potato growth and reduce the occurrence of purple potato pests and diseases.
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