I don't know if any of the friends of the tomato farmers have been exposed to the high-efficiency cultivation techniques of the old shed eggplant. The economic benefits of this kind of vine eggplant old plant regeneration are very good. The economic benefits are calculated according to the general situation as follows: The highest sales price of the year is 9.0 yuan/kg. The lowest price is 1.2 yuan / kg. The output of spring sorghum is about 2500kg/667m2, the average selling price is 2.8 yuan/kg, the income is 7000 yuan/667m2; the output of autumn raft is about 1800kg/667m2, the average selling price is 2.45 yuan/kg, and the income is 4400 yuan/667m2. 1 Excellent variety selection Choose varieties suitable for local greenhouse cultivation, strong disease resistance, high market acceptance rate, good commodity quality, high quality and high yield, such as black dragon long eggplant, hamburger No. 1, hagar v8, improved big dragon, Menghui 28, agricultural science House 2018 small eggplant and so on. 2 main seedling technology The age of the eggplant calendar is 60-70 days, and the physiological seedling age is 8-9 pieces of true leaves. Spring eggplant production in greenhouses is generally carried out in early February, and greenhouse seedlings with better warmth and light transmission should be selected. The ratio of nutrient soil preparation is: 50% The herbicide-free field soil, 40% of the decomposed and non-polluting farmyard manure, and 10% of the peat soil. After soaking for 12 to 24 hours, the seeds are wrapped in a damp cloth and germinated at 25-30 °C. When more than 70% of the seeds are germinated, the seeds are sown in the nursery tray. When the seedlings grow to 1 to 2 true leaves At the time, 8 cm × 8 cm or 9 cm × 9 cm nutrient seedlings were used. Planted in mid-to-late April. 3 greenhouse cultivation measures 3.1 shed shed soil fertilization In the spring, greenhouse cultivation can pre-excavate the buried membrane ditch in the autumn of the year, which is beneficial to the spring of the second year. Generally, 15 to 20 days before planting, the sheds are baked, which is beneficial to increase the temperature in the shed. A straw curtain or a quilt apron can be added around the shed for cold insulation. Each 667 m 2 is treated with good quality and low-quality farmyard manure for 4 to 5 tons. With organic fertilizer, 15 to 20 kg of diammonium phosphate and potassium sulfate are respectively applied. The bottom fertilizer can be added with trace elements such as calcium, magnesium and iron. Then, after mechanically cultivating for 1 to 2 times, the ridge is ridged, and the ridge width is 60 cm. 3.2 Timely and rational close planting The ground temperature of 10 cm below the surface of the greenhouse began to colonize at 10 °C. At this time, the seedlings of the eggplant were 8 to 9 true leaves, and most of the seedlings had already been budded. Planted at a plant spacing of about 40 cm, seedlings 2 800 to 3,000 plants / 667 m 2 . 3.3 Water and fertilizer management When the eggplant starts to expand, it is topdressed, and combined with watering, nitrogen, phosphorus and potassium ternary compound fertilizer is about 25 kg/667 m 2 . After harvesting the eggplant, 15 kg of diammonium phosphate and 10 kg of potassium sulfate were applied per 667 m 2 to keep the soil moisture dry. 3.4 Plant pruning technology In order to make rational use of nutrients and promote the rapid expansion of fruits in different periods, it is possible to carry out double-pruning and pruning. Keep a main branch and a branch on either side of the eggplant, or keep the main branch and a side branch immediately below the door. The side branch is also called the top door, and then all the side branches below the top door are knocked out. On the scorpion, the pair of stalks will soon be formed; then each side branch under the vine will be kept close to all the side branches below it, and the remaining 4 stalks will be combined with 1 fruit, commonly known as "four doors." Bucket"; then keep one side branch immediately below the four-door bucket in the above way, and knock off all the side branches below it. The result is commonly called "eight-faced wind". Generally, it is not necessary to pruning after the pruning to the end of the four-door bucket. At this time, the eggplant enters the peak growth period and allows it to grow. 3.5 Old plant regeneration technology 3.5.1 Timely old plant pruning The old plant regeneration technology is actually a plant regeneration technology. After the “eight-faced wind†flowering, the tip of the plant is applied. Before July 15th, 10 to 15 kg/667 m 2 of high-nitrogen fertilizer is applied. At the end of July, when the large-scale eggplants were on the market, all the branches above the lychee on the eggplant floor were cut off, leaving only the base or tiller of the plant, and 2 to 3 strong buds were selected for each plant to erase the remaining shoots. 3.5.2 Strengthening field management Remove the dead leaves and harmful weeds in the greenhouse, and prevent pests. Create an environment suitable for the growth of eggplant sprouts. Water the pruning immediately and cut it properly. Apply 2 to 3 times of humic acid fertilizer to promote root development. If the bud development is prolonged, apply 50% chlormequat 2 000 to 2 500 times at the right time. After the eggplant is placed on the fruit, the compound fertilizer is applied at 30 kg/667 m 2 to promote fruit enlargement. After entering the fruiting period, watering every 7-8 days, according to plant growth, appropriate topdressing, per 667 m 2 of topdressing potassium sulphate 7 ~ 10 kg and urea about 15 kg, and with the application of foliar fertilizer. 3.6 Pest Control 1 Verticillium wilt: every 667 m 2 with bio-pesticide 100 billion Bacillus subtilis 50-200g plus fulvic acid water to irrigate the roots, each dose is about 0.25 L; or 80% allicin EC 2 000 times liquid irrigation root. 2 Gray mold: 15 to 30 g of bio-pesticide per 100 billion Bacillus subtilis per 667 m 2 , or 7 500 to 10 000 times of P. oxydans, or 300 times diluted with 2.1% butyl carvacrol The liquid is sprayed. 3 locusts, thrips: 10 to 40 g of 10% imidacloprid wettable powder per 667 m 2 or 5 000 to 10 000 times of 25% thiamethoxam water-dispersible granules; 2.5% suspone suspension The agent is sprayed from 1 000 to 1 500 times to prevent the thrips. 4 red spider: can be sprayed with biological pesticide 0.5% cucurbitacin solution 300 times solution, or with chemical pesticide 34% snail ester suspension agent 4 000 ~ 5000 times liquid spray control. 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