In general, the prolonged stage of sweet potatoes is one of the key moments in determining the yield of sweet potatoes. If the management focus of this stage is not well grasped, it will greatly affect the yield of sweet potatoes. Let's take a look at how the land management of the sweet potato at this stage is done well.
Fertilization management
The long-term stage of sweet potatoes needs enough fertilizer. When fertilizing, you can't just manage the underground part. Regardless of the ground, both need to be balanced. The cracking fertilizer in the underground part is more suitable, the purpose is to prevent cracks in the sweet potato. The fertilization of the aboveground part suggests that everyone should use phosphorus and potassium fertilizers. Some urea can be added and mixed.
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2. Weather prevention and control
The weather in the long-term stage of sweet potatoes is very uncontrollable. This may cause excessive land rain and excessive dry weather. Because the demand for water in the sweet potato is very large during this period of time, if there is dry weather, it is necessary to water it in time, and the land should not be dried, resulting in lack of water in the sweet potato.
However, if there is too much rain, causing a large area of ​​water, it will cause the roots to have a rotten root. Therefore, when the rain is too large, it is necessary to do a timely drainage, which requires digging the drainage ditch in the land in advance. This will ensure that the excess water will not accumulate in the land when the rain is too large, so you can avoid damage to the sweet potato.
3. Prevent the vine leaves from growing
Please note that if the sweet potato season occurs, there will be a continuous rainy season, then it will easily cause the phenomenon of vines and long-distance. At this time, the nutrients of sweet potatoes may be unevenly distributed. Therefore, everyone must prevent the growth of Fujino. Control can also be used in the way of broken vines, but the specific operation should be determined according to the actual situation.
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