Summer and early-maturing Chinese cabbage cultivation should select early-maturing Chinese cabbage varieties with short growth period, heat resistance, moisture resistance and disease resistance, and require the following several tasks.
First, the earliest ripening cultivation of Chinese cabbage, require early preparations, early plowing, early preparations before sowing. In case of rainy weather, it is not possible to make timely preparations and delay the sowing date. And, as far as possible, select the former fertile non-cruciferous crops and fertilize good fertile land.
Second, re-application of base fertilizer early-maturing Chinese cabbage due to a very short growth period, coupled with high density, high-yield cultivation must ensure that the soil has sufficient nutrients to meet the growing needs of Chinese cabbage high-yield. Therefore, before the preparation of the soil, the organic manure and urine or compound fertilizer should be applied, and the sorghum should be prepared according to the cultivation habits of various regions.
Third, timely timely planting sowing is one of the key measures for high yield of early maturing Chinese cabbage. If one-sided pursuit of the morning market is not based on local climatic conditions, blindly sowing early, often due to severe disease caused by a serious accident. For a new early-maturing Chinese cabbage variety, farmers should try a small-scale trial to explore the optimum sowing date and market demand for this early-maturing Chinese cabbage and properly arrange the sowing date to obtain the best benefits.
Fourth, early set early seedlings due to rapid growth of Chinese cabbage, growth period is short, it should be early seedlings, early seedlings and reasonable close planting. Qimiao began seedlings after a total of 3 times. When the seedlings grow to 5 to 6 true leaves, the last time the seedlings are planted.
V. Fertilizer Water In order to obtain the early maturing and high yield of Chinese cabbage, it is necessary to feed water quickly and promptly, so that the Chinese cabbage grows rapidly and one day after the broadcast, ensure that the seedlings are grown for two to three days. "To achieve three water Qimiao, Liushui Dingmiao." Seedlings in the seedling stage must be watered once in 3 days. Always keep the ground moist and reduce the adverse effects of high temperatures on the seedlings. Seedlings were watered 5 to 6 days later in the seedlings, but they did not grow seedlings until they were harvested. Top dressing with quick-effect fertilizer is good, after the seedlings can apply urea 10 ~ 15kg, in order to promote the growth of the outer leaves, in the Chinese cabbage cabbage ball to the core before the re-apply topdressing, acres of urea 250kg, combined with the prevention and treatment of pests spray Fuer 655 to meet the needs of Baoxin ball, immediately after each fertilizer, watering, in order to promote the absorption of cabbage as soon as possible and high yield.
VI. Pest Control Super-premature Chinese cabbage cultivation is extremely vulnerable to insect pests, especially in the early stage of emergence. If the control is not timely, it is likely that 3 to 5 days will allow the soil preparation seedlings to be eaten by pests. Therefore, the management requires that every day 5 to 7 days after the Chinese cabbage seedlings are treated with high-efficiency, low-residue pesticides.
VII. Harvesting timely and timely Harvesting is the key to improving the economic benefits of early-maturing Chinese cabbage. If the collection is too late and the disease is not controlled in time, it will easily lead to disease and cause a reduction in production. Generally in the ball bag to 7-80% began a large number of harvested and listed to ensure high yields.
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