First, check seedlings fill seedlings After the potatoes are out of the line, the seedlings must be checked in time, and the seedlings must be promptly filled to ensure the seedlings. Second, cultivator soil In cultivating loose soil, if the soil is knotted before emergence, the soil should be loosened to facilitate seedling emergence. After the seedlings are planted, the first cultivator shall be conducted in a timely manner, with a depth of 8-10 cm, combined with weeding, and the second cultivator shall be carried out for 10-15 days after the first cultivator, which shall be slightly shallow. When budding, the third cultivator is performed, which is shallower than the second cultivator. In combination with earth-cultivation, the soil thickness should not exceed 10 cm in order to thicken the tuber layer to avoid the exposure of the tuber and reduce the quality. Third, water management The soil moisture during sowing should be about 80%. Before sowing, the general moisture should not be too much, and it may cause rot and root rotten species for a long time. During the whole growth period of potato, the irrigation principle of seedling stage-flowering stage-tuber stage-tuber expansion stage was mainly followed. Before the harvest, irrigation was stopped for about 10 days to increase the commodity rate. Fourth, fertilization Topdressing: potato sprouts 30 days after emergence, combined with cultivator soil, 10 kg of urea mu, 10 kg of potash, according to the growing conditions of the field to supplement chase, pay attention to weak seedlings, Miao Wang Shao Shi. Foliar fertilizer: In potato buds and flowering stages, combined with disease prevention, it can be used for two or three times foliar sprays such as expansin, block root treasure, vitamins, potassium dihydrogen phosphate, boron and zinc fertilizers. V. Pest Control Diseases: Bacterial wilt use agricultural streptomycin sulfate 1:4000 times or root rot, enemy pine and other irrigation roots have good control effect; sooner or later, with 58% metalaxyl manganese zinc 1:500 times, 70% Prosin Zinc or 50% Anker Powder 1:500 Dosage Spray sprayed two to three times every seven to ten days. Insect pests: There are mainly ground tigers, yellow ants, beetles, locusts, land insects, green insects, phoxim granules, 2-3 kilograms of poisonous soil, potatoes, potatoes, and phoxim, emulsified oil. - 500 times liquid pouring, aphids were sprayed with acetodine 1:500.
Sweeteners refer to Food Additives that can impart sweetness to soft drinks. Sweeteners can be divided into nutritive sweeteners and non-nutritive sweeteners according to their nutritional value; according to their sweetness, they can be divided into low-sweetness sweeteners and high-sweetness sweeteners; according to their source Divided into natural sweeteners and synthetic sweeteners.
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