The spring potato sowing time is short and the emergence is fast, so it is very important to master the cultivation techniques. One is meticulous soil preparation and creating a good loose soil layer. The second is the selection of potato species. The third is strict disinfection, that is, the selected seed potatoes should be disinfected to kill the plague bacteria that lurk in the stem. The disinfection method is: soaking seeds with 20 times formalin for 4 - 6 minutes, and then the potato seed piled up and covered with a plastic film, after the boredom, the potatoes were diluted and dried. In addition, it can be soaked in warm water of 40-15 degrees Celsius for 30 minutes. Fourth, the basic fertilizer is applied. The potato is a high-yielding crop, which requires more nutrients, and has a short growth period. The amount of base fertilizer should account for about 70% of the total amount of fertilization, and generally should be applied to decomposed pigs per acre. About 4000 kg of cow dung and 30 kg of superphosphate, the amount of fertilizer should be increased on the slope. Fifth, intercropping: In order to increase land utilization, planting can be done in both narrow and narrow rows and other crops can be planted between rows. Six is ​​management. After the potato is sown, it is necessary to strengthen the management of the field. It is necessary to chase the bud fertilizer in time, and when the top-dressing bud fertilizer is applied, it must be carried out in stages according to the top dressing.
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