First, the choice of a potato depends on the high productivity of the potato, the good and bad of the potato, which affects the production and income of the grower, so the identification of the good and bad is a major problem. In terms of the appearance of the potato, it is important to look not only at the size of the head of the potato, but also at the radiant, fresh and non-decompressive nature of the potato, the softness of the chips in the hand, the softness of the blade, the softness of the cut, and the absence of cyclic decomposition (black circle) from the second half centimetre of the chips, which is a good potato. Good potato species, strong resistance, good quality and high yield, typically up to 3,500-400 kg per acre。
Second, the storage of potato species should be in the cold air. At minus 3-4°c, potatoes should be covered, such as sacks, used clothing, etc. It should be placed in a closed house at below 6-7°c and, in the event of a stronger cold air, a little bit of sheeting, thin film, which should be removed after the weather has slowed down. The temperature of the house in which the potatoes are stored should not be too high, they must not be placed by the fireplace, the potato species are afraid of heat, nor can the warmth be more than 7°c (the potato breeds sprouts at more than 7°c), so that too high the temperature can produce many buds, consume the nutrients of the potato, and later they can be planted in the ground with reduced yields. In any case, in winter, potatoes are stored and the temperature is not less than 0°c without covering the house。
Iii. Methodology of those
1. Pre-plant land management: potatoes are a highly adaptable crop, which can be anything but saline, but must be watered. The land to grow potatoes in the spring of next year is best cultivated not only in the first year, but also in the deep tillage, where the potato is the most soft, but also the plant to decompress the soil, which is more compact, and where the potato grows for several years. The cold and sunlight exposure this winter can have a good virulent effect. These 15 centimetres of clinker are very useful for the growth of potatoes in the coming year. Not only for the first year of cultivation, but also for deep cultivation, the potatoes have several layers of moist roots, so deep soft layers are required. In recent years, the depth of land rotation has not reached the required level, affecting potato production, so that high yields must reach a depth of less than 20 centimetres, which, if 30 centimetres were to increase under the same conditions。
