What management techniques can be used to grow sweet potatoes in a large area to grow a good shape?

The subject asks how to grow sweet potatoes to grow good shapes? Before this question, let's analyze what are the factors that affect the quality of sweet potatoes? The normal appearance of sweet potatoes is that the potato shape is upright, and the skin is smooth and beautiful; And the abnormal potato shape is deformed, there are cracks, when planting, according to the dosage of 3000 kg per mu, the hole is first applied enough pig manure or cow manure and other farm fertilizer, and then paved straw or wood powder and then compacted the soil.

The use of this method for planting can not only increase the fertilizer efficiency, but more importantly, improve soil compaction and increase air permeability.

Sweet potato is an underground tuber crop, the growth of the whole fruit, development and maturity, are completed underground, we can not see, not like the fruit ripening crop on the ground, the whole growth process we can observe at any time, including the flowering of the fruit, fruit setting, ripening are completed under the nose, rain or irrigation problems, the weather is dry when the sweet potato is born, and the amount of water is too large in the later stage, resulting in the sudden growth of sweet potatoes too fast and causing cracks The field is too small, and the planting is too submerged.

<> sweet potatoes are not as delicate and difficult to take care of as other fruits and vegetables, but it is still necessary to pay attention to their characteristics; Sweet potatoes are drought tolerant and not waterlogged, especially in early spring in the south, where there is plenty of rain, so you must pay attention to drainage. Even if planted in late spring, irrigation should not exceed half of the ridge surface. First of all, you have to choose a good sweet potato variety, and let me say that I really don't know what there is.

We generally divide white sweet potatoes, yellow sweet potatoes, and watermelons