Remember the planting method and time of sweet potato in order to have a high yield!

In the past, when living conditions were poor, many families who could not afford rice noodles would use sweet potatoes instead, but now they are different. All kinds of dried sweet potatoes, sweet potato fans, roasted sweet potatoes and so on are very popular with consumers, so the planting market is getting better and better. The following is to introduce the planting method and time of sweet potato, so that the majority of growers can grow high-yield sweet potatoes to achieve high benefits.

First, the basic introduction of sweet potato

1. Sweet potato generally refers to sweet potato, also known as sweet potato, sweet potato, red yam, red yam and so on. It is an "alien species" introduced into China in the late Ming Dynasty. Sweet potato was first planted in central America, and now it is widely distributed in tropical and subtropical regions. It is a kind of root crop with high yield and barren tolerance.

two。 The edible part of sweet potato includes the fresh stems and leaves of underground roots and above-ground vines, and their leaves vary with different varieties, and the leaves are usually ovate, combed on both sides or glabrous; the leaves of different varieties of sweet potatoes are also different in color, with thick green, yellowish green and purple; sweet potatoes in some areas have white flowers, such as those rarely bloom in areas with lower temperatures.

3. Sweet potato is not only nutritious but also a natural green nourishing food, which has an important moderation for outlining human immunity, enhancing disease resistance and delaying body aging. And sweet potato is one of the best food choices for people who lose weight, and it can also treat poets, dysentery and other diseases.

2. Planting time of sweet potato

The planting time of different sweet potato varieties is naturally different, and the planting time of the same variety of sweet potato in different regions is also different.

1. The planting time of spring sweet potato: sweet potato usually begins to raise seedlings in late January, and can be cut from late April to early May, and its growth period is about 160-200 days.

two。 Under the sweet potato planting time: summer sweet potato generally choose to start planting in June every year, and be careful not to be too late, otherwise it will affect the growth and yield of sweet potato.

3. Planting time of autumn sweet potato: autumn sweet potato should be planted as soon as possible, and it can be planted in early and middle rice fields after the End of Heat's solar terms. The growth cycle of autumn sweet potato is not long, it generally depends on the population to increase the yield, and the planting density can be increased appropriately (5000 plants / mu).

4. Planting time of winter sweet potato: the planting of winter sweet potato is usually carried out in August. Cuttings begin in October.

5. In addition, for example, the relatively low temperature in the north is more suitable for growing spring sweet potatoes. The Huang-Huai River Basin can grow spring and summer sweet potatoes, while autumn and winter sweet potatoes are only suitable for growing in warm southern areas, such as Hainan and Taiwan provinces.

III. Planting techniques of sweet potato

Determine the planting of sweet potato varieties and sweet potato planting time, cultivation techniques should also be mastered.

1. Sweet potatoes are suitable for growing in places with deep soil, loose and fertile soil ponds, good irrigation and drainage capacity, and good light conditions, so that the roots of sweet potatoes can expand well.

two。 You can choose the methods of raising seedlings and planting sweet potatoes, but remember to make ridges on a sunny day before planting, and apply special organic compound fertilizer to promote its growth.

3. During the growth period of sweet potato, the sweet potato fields with many branches and exuberant growth are pruned to cut off the excess branches to let the root get more nutrition.

4. The sweet potato was ploughed once about half a month after planting and applied with thin human and animal manure or urea; the second intertillage was carried out after a month, and nitrogen fertilizer and phosphorus and potassium fertilizer were applied.

5. To timely control sweet potato virus disease, black spot, purple feather disease, night moth and other diseases and insect pests, the corresponding pesticides are applied to control the diseases and insect pests. If there is a rodent damage in the sweet potato field, you can use food mixed with rodenticide to kill.

The last point is that sweet potatoes must be planted in an appropriate time, after time, it is easy to affect the quality and yield, in addition, different areas should choose different varieties of sweet potatoes according to climate and soil conditions.