The invention relates to a food material box on the side of sweet potato,There is at least one food material hole (110) on the side,There is a sunshade (120) inside the box.The sunlight and moisture regulating cover (120) comprises a first cover (121) of transparent material and a second cover (122) of opaque material.The first and second sets (12122) are the water supply in the regulating tank, and a plurality of water inlet holes (123) are formed respectively.According to the invention, the cultivation hole of the cultivation box is provided with vertical sequence side planting, and the upper part is provided with a cover for sunlight and water regulation. In the early stage of cultivation, the soil temperature is increased, and the soil water can be maintained through the water inflow and barrier hole formed on the cover.In addition, due to the accurate measurement of nutrients and fertilization, the size can be adjusted, and the formula soil containing a lot of sand can be used to make the surface of sweet potato smooth, so high-quality sweet potato can be produced.In addition, compared with the method of direct cultivation on the existing packaging, mechanization can be realized in the process of cultivation or harvest, so as to improve the production efficiency. It is an effective cultivation method of killing two birds with one stone.
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