I. Facilities Conditions Soilless cultivation systems are installed in greenhouses, including cultivation tanks, irrigation facilities, and cultivation substrates.
1) Cultivation trough: 80 cm in the north of the greenhouse, 30 cm in the south, bricks made into a north-south cultivation trough, 48 cm in inner diameter, 24 cm in height of the trough, bricks laid flat, 72 cm from the trough, base of the trough A layer of 0.1mm thick plastic film is laid, and the uppermost brick is pressed against the edge of the film. A 3cm thick clean river sand is laid over the film. A woven bag is laid over the sand and the bag is filled with a cultivation substrate.
2?Irrigation facilities: Use a tap water facility or a reservoir with a 1.5-meter difference in water level to build an independent irrigation system in a single greenhouse. Plastic pipes can be used for the main pipe in the greenhouse and the drip irrigation zone in the cultivation tank. Drip irrigation belts are provided in the tank. ~2, and put on a narrow plastic film 0.1 mm thick.
3? Cultivation matrix: organic matrix can be used corn stalk, mushroom residue, sawdust, etc., inorganic matrix with sand or slag, etc., such as coal gangue, sawdust, corn stalk, the mixing ratio of 1:2:2. The substrate is piled 25 centimeters thick 15 days before use, wetted and then sterilized by the cover film. Then 2 kg of organic soilless cultivation special fertilizer and 10 kg of sterilized chicken manure are added per square meter of matrix, and the slurry can be filled after mixing. . The substrate is disinfected after each crop has been harvested.
Second, no soil nursery selection of low temperature resistance, low light resistance, high yield, disease resistance tomato varieties hair powder 802, soaked in the end of September sowing germination, most of the seeds exposed after the artificial soilless plug tray can be used. According to the ratio of peat: vermiculite to 3:1, add 5 kg of chicken manure and 0.5 kg of vermiculite compound per square meter of matrix, mix and fill in a 72-well plastic tray, soak 1 seed per hole. Cover with 1 cm of vermiculite, separated from the soil by a plastic film under the plug. The pre-emergence temperature is maintained at 25-30°C. The temperature after emergence is 20-25°C during the day and 10-15°C during the night. Seedling trays should be kept moist. When the seedlings grow 3 to 4 leaves, they can be planted. The seedling age is about 30 days.
3. Before the planting and colonization, the substrate is leveled and leveled, and the cultivation tank is immersed to make the matrix fully absorb water. When the water in the cultivation tank leaks out, it is planted in 2 rows per tank, the substrate is slightly higher than the seedling ridge, the plant spacing is 30 cm, and the planting area is 3000 Plant, pouring water after planting.
IV. Cultivation Management
1? Fertilizer and water management: 20 days after planting, top dressing is started. After every 10 days, top dressing is performed once. Each time, 10~15 grams of special fertilizer is applied. After the results, top dressing is applied once every day for 25 days. Fertilizer should be evenly scattered 5 cm from the root, allowing it to infiltrate the matrix with water. In addition, carbon dioxide gas fertilizer can also be applied in the shed. Watering is usually done every 5 days after planting.
2. Temperature and light management: After planting, the indoor temperature is 22 to 25°C during the day and 10 to 15°C during the night. After the fruit set, it is 25-28°C during the day and 12°C at night.
3, hanging vines and pruning: seedlings with 6 to 7 leaves when hanging with polypropylene plastic rope vines, the upper part of the rope fixed on the scaffolding iron wire, the lower Department of the stem base. The vines are twined with the slings and remain upright. Only the spindle growth results were retained during pruning, and the lateral branches in all leaf axils were removed, and burping occurred when the lateral branches were 10-15 cm long.
4. Keep flowers and fruits: Use 10 to 15 mg/kg of 2.4-D solution to decorate at 7 to 9 in the morning to increase the fruit setting rate. In order to ensure a large fruit quality, 3 to 4 fruits per plant should be left, and the rest of the flowers and fruits must be removed in time.

PMU is used to produce estrogen and hormone-replacement drugs such as Premarin, PremPro and PremPhase and DUAVEE, a "PremPro-Lite" which contains Premarin. PMU drugs are made by keeping mares constantly pregnant and collecting their estrogen-rich urine. The horses should be in good healthy, age from 4-15 years old, the color should be dark. the horses should be check-up and disinfected during the transportation. The blood taking should be called off immediately when infectious disease is found, any medicine of Penicillin and streptomycin is forbidden to use.


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