Non-polluted cultivation techniques of summer eggplant
Summer eggplant is one of the main vegetables for autumn and winter. Due to high temperatures, storms, and pests, the yield is low and unstable. As long as six measures are taken, 3,000 kg of pollution-free eggplant can be produced per mu, with an income of 3,000 yuan.
First, cultivate disease-free and strong seedlings. The best sowing date of summer eggplant is from late May to early June, and more varieties such as purple long eggplant and squid are used to raise seedlings in open fields. Seeds are germinated for 5-7 days before sowing, and the seeds are placed in hot water at 50-60 ° C and continuously stirred. Until the temperature drops to about 30 °C, soak for 8-10 hours, then pick up and wrap it with a wet towel, place it at 35 °C to germination, wash twice a day, 5-7 days of seed can be sown by germination, sowing The back cover is 1-2 cm of fine soil, and the shade net is covered on the seedbed, and when the seedling grows to the second leaf, the seedling is divided once. Strong seedling standard, plant height 15 cm, development degree 15 cm, 9-10 true leaves, stem diameter 0.6 cm, root system developed, no pests, with flower buds.
Second, the age of transplanting. When the seedling age reaches 20-25 days, choose strong seedlings for planting, the planting density is 50-55×40 cm, and the planting should be carried out after 4 pm, watering the roots and pouring water again in the morning.
Third, topdressing and watering. After living the tree, chasing 1000 kg of non-polluted manure or applying 10 kg of compound fertilizer; applying 1500 kg of manure or 15 kg of compound fertilizer when the eggplant is just inflated; the result is 20 kg of compound fertilizer or human excrement in the peak period. 2000 kg. After pouring the root water, pour the fruit water. Watering when the fruit is exposed to the bracts; re-potting the fruit water, filling the large ditch without polluted water, reaching the natural dryness of the copepod, pouring a skin water 2-3 days before harvesting, the fruit grows fully, The peel is tender and shiny.
Fourth, pruning. Eggplant shoots and flowering habits are quite regular. Generally, the natural happy pruning method is adopted, that is, each branch of the branch retains two symmetric branches for the growth or horizontal growth of the fork, and the other branches are completely destroyed. After the snoring is stabilized, all the brittle buds that have occurred below will be destroyed, and the lower brittle buds will be knocked off after flowering. In addition to removing the crispy buds in time, the four-door stalk should be topped regularly.
Fifth, the prevention and treatment of pests and diseases. Summer and autumn are the peak seasons for weed growth. It is necessary to combine the cultivating and weeding to cultivate the soil, and cultivating the soil 2-3 times before the closure, to eliminate weeds and prolong the preservation. The pests causing the reduction of summer eggplant and even the loss of commodity value include: plague, brown streak, and eggplant. Anti-plague disease can be controlled by 70% dikesone 500 times or 80% dasen zinc 800 times; anti-brown brown disease can be treated with 80% sensitized zinc 800 times or 70% thiophanate 1000 times liquid; Inhibition of methrin 2000 times or 50% DDV 800 times. The last dose is between 7-10 days from the harvesting period. 6. Harvesting When a circle of white to green rings appears, it can be harvested. The market is good, and the eggplant has just been exposed or is being exposed. Later, it will be harvested according to the standard.
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