How to grow sweet potato? Xiaobian will explain the planting of sweet potato from the aspects of sowing, seeding and potting techniques.
Sowing time:
Generally, it can be sown after clearing up to the whole of May, and the seed potatoes are sold in the vegetable market and supermarkets.
Seeding steps:
(1) Choose 2-3 excellent seed potatoes suitable for local cultivation, requiring uniform size, smooth outer skin, no frost damage and pests and diseases.
(2) Apply the base fertilizer, pour the soil through the water, and plant the potato head up in the soil, leaving about 3 cm of soil.
(3) Seedlings are produced about 10 days after sowing.
(4) After 20 days, the potato leaves have grown into a large one, 3-5 days.
(5) After the potato leaves enter the vigorous growth period, it is necessary to apply a decomposed organic fertilizer.
(6) When the potato vine is more than 30 cm long, pick the sunny weather and pick it up in the morning.
(7) The potato leaves can be harvested many times until the frost falls. After the frost falls, the underground tubers are dug, which is sweet potato. The nutrients of the sweet potato leaves are concentrated on the stems and leaves, so the yield of the tubers is not high.
How to harvest and keep the sweet potato?
The sweet potato can be harvested from May to November (the frost). In the field, if the excessive harvest of potato leaves will affect the harvest of sweet potato, and the family planting is mainly to harvest potato leaves, proper and reasonable picking can promote the rapid growth of potato leaves, usually harvested once every 7-10 days. it is good. When picking, you can pick up 10 cm long shoots by hand. For each harvest, you need to apply a thin fertilizer to the water. Too much nitrogen will make the potato leaves bitter, affecting the taste. After the frost has fallen, when the potato leaves begin to succumb, they can be uprooted. The new potatoes growing around the seed potatoes can be chosen to be full and smooth and healthy, together with 5 cm. The stems keep warm together for the winter, and in the second year there is no need to buy seed potatoes.
How to potted sweet potato?
The leaf shape of the potato leaves is large, and it is heart-shaped or maple-shaped. The leaves are green and the stems are green and purple. There are many branches, and generally more than 10 branches. When the branches grow to a certain length, they will pull out the potato vines, bend down and sway, and don't have a charm. The specific modeling method of potted leaf sweet potato is as follows:
(1) First plant a 1-2 sweet potato with a nursery, let it grow and grow, pay attention to the application of sufficient fertilizer to make it flourish.
(2) When the potato leaves become denser and the plant type begins to become scattered, set the bracket with a stick or bamboo pole about 1 foot (1 meter = 3 feet) high, and try to hide the bracket in the dense leaves, without affecting Overall beautiful.
(3) When the top has already extracted the finely curved vines, the potato leaves should be transplanted into the higher pots.
(4) After the colonization is completed, the old yellow leaves and the broken branches and leaves are removed in time, the branches are combed in time, and they are evenly distributed, hanging down from all directions, the breeze blowing, the branches swaying with the wind, like a green "waterfall".
What are the characteristics of leafy sweet potato?
Although sweet potato is a root vegetable, its leaves and young shoots are a healthy leafy vegetable that has emerged in recent years. The Asian Vegetable Research Center listed sweet potato leaves as a high-nutrient vegetable variety, calling it the “Queen of Vegetablesâ€. Potato leaves have health functions such as improving immunity, stopping bleeding, reducing blood sugar, and detoxifying. Regular consumption of potato leaves has the effect of preventing constipation and protecting eyesight, and also keeps the skin delicate and delays aging. Potato leaves can be eaten in a variety of ways. In addition to frying, you can also cook soup, cold salad, stuffing or salted into pickles, and store them in jars. The requirements for the environment for sweet potato and root sweet potato cultured for leaf use are also different. The leaves are warmed with sweet potato, avoid low temperature frost, and the stem and leaf growth temperature is 18-35 °C. Keep it in the water, make the stems and leaves soft and taste better. Like loose and fertile soil, more resistant to yin.
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