Before planting, the seed potatoes should be processed through four steps: seed selection, sun-breeding, soaking and cutting. Among these four links, cutting is closely related to mechanical sowing, and must be cut according to the standard before sowing. The potato cups of the three seeders are the same size. Therefore, it is required that the potato seed pieces have the same size, and the 1500 times high potassium perchlorate solution is prepared before cutting. Used for soaking and sterilizing of cutting and cutting boards. The weight of the seed is kept at around 50 grams. The seed potato is large, the bud eye is less, the seed potato is small, and the bud eye is more. Leave 2 to 4 full buds on each seed. The size of the dicing should be controlled within 3.5 to 4.5 cm. The seed potato should be immersed in 75% rare earth dryland treasure 1000 times solution for 30 minutes. It can not only sterilize and prevent corrosion, but also a plant growth regulator, which can promote the germination and rooting of potato seed potatoes and enhance drought resistance.
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