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The cultivation of organic red squash is not in place, resulting in aggravation of the disease and low yield. It is relatively easy to cultivate organic red pumpkins in the greenhouse than other solanaceous vegetables. As long as you catch some links, you can achieve high efficiency. The following is a description of the prevention and control measures for the cultivation of organic red pumpkin in the open environment:
Organic red pumpkin is currently one of the main melon varieties cultivated by vegetable farmers in Gu'an and Zhangzhou. It is popular among vegetable farmers because of its easy management, short fertility cycle and good benefits.
Organic red squash is generally planted in mid-April, and it has been planted for a late high temperature. Plants are susceptible to viral diseases and are prone to melons.
Before the planting, the ground is flattened and fine, and 2 cubic meters of organic fertilizer is applied per mu, plus 30-50 kg of ternary compound fertilizer. If the ground is thinner, the amount of organic fertilizer should be increased. Planting and planting according to plant spacing 0.5 m × 1.1 m, 1000-1200 plants per mu. Watering immediately after planting, then cover the membrane and put the seedlings.
After planting, the main temperature is kept, the daytime temperature is maintained at 25 °C-28 °C, and the nighttime can not be lower than 10 °C.
Single vine pruning, leaving the main vine, all the side branches are knocked out to reduce the consumption of nutrients. When the female flower is open, if the male flower is less open or the bee is small, it is necessary to assist the pollination in time. The method is: gently wipe the female flower stigma with the male flower opened on the day, the auxiliary pollination must be completed before 8 o'clock in the morning, because the higher the temperature, the weaker the activity of the pollen; the hormone treatment can also be used to treat the prepared fruit spirit with a writing brush or Treat the flower with a small watering can. However, it is necessary to master the temperature and high hormone concentration ratio, and the temperature and low hormone ratio should be high, otherwise the deformed melon is prone to occur.
The main vine knot organic red pumpkin, the root melon is removed in time, leaving the second or third melon, the knot melon node can not be too far, otherwise there may be a melon, leaving a melon or two melon according to the growth of the seedling period. After sitting on the melon, leave 4-5 leaves to top the melon to concentrate the nutrients to supply the fruit. After sitting on the melon, it is necessary to topdress and water the fruit in time to promote fruit enlargement. The nitrogen fertilizer is mainly used in the early stage of topdressing, and the phosphorus and potassium fertilizers are mainly used in the later stage to keep the plant growing and not to prematurely decay.
The harvest time of organic red squash takes about 35 days from flowering, sitting melon to harvesting, and generally enters the harvesting period in mid-June. It should be based on the picking of old melons, and it can also be harvested at the right time according to market prices. Near the harvest period, some old leaves can be removed, ventilated and light-colored to facilitate pumpkin coloration.
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