Sweet potato cutting, which is better, sunny or rainy? What's the difference between them?

Sweet potato is cultivated in most areas of China. Sweet potato is regarded as a cash crop in many places because of its high yield and good taste. Especially in recent years, with the continuous progress of agricultural technology, sweet potato varieties are also constantly improving. Many high-quality sweet potato varieties are very popular in the market, and more and more farmers are planting sweet potatoes. The planting time of sweet potato is related to the climatic conditions in the planting area. For example, the climate in Hainan is very suitable for sweet potato growth all year round, so it can be planted all year round.

In China, some areas north of Huanghuai mainly grow sweet potatoes in spring and summer, while southern China mainly grows sweet potatoes in autumn, such as Fujian and Jiangxi. The planting time is generally from mid-July to early August every year. Because sweet potato seedlings are planted in summer, the sun is too hot on sunny days. First of all, the soil moisture evaporates strongly, and sweet potato seedlings easily lose water too quickly, which makes it difficult to take root. So it's best to choose cloudy days. If it happens to be rainy, the rainfall is not very large, which is more conducive to the rapid survival of sweet potato seedlings.

Transplanting after heavy rain is not conducive to the survival of sweet potato seedlings, because too much rainfall is easy to destroy sweet potato seedlings and easily cause water accumulation in the field, but it is easy to cause sweet potato seedlings to rot. Burying leaves can improve the survival rate of seedlings. If you choose sunny or dry weather, when cutting sweet potatoes, in order to avoid the loss of water in the leaves caused by strong solar radiation and the loss of water in the leaves caused by strong ultraviolet radiation, sweet potato leaves will be burned, resulting in injury or death. At this time, when planting sweet potatoes, only one leaf is left on the outside soil, and the other leaves are spread out and buried in the soil.

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