The shed is 118 meters long and 48 meters wide, with a total area of ​​6,144 square meters, and a single ridge area of ​​1,536 square meters. The steel frame structure and steel frame arch center are 3.75 meters above the ground, and concrete pillars are used to place concave cement tanks between each building. Connected with the same height as the side wall, both are 1.6 meters high 3.85 meters north wall, south wall 0.8 meters high, above the steel window outlet. Hollow walls with a wall thickness of 0.6 meters are filled with slag. Each plant is planted with a variety of 5110 plants. The average annual temperature of the area is 13.5,1 months, with an average temperature of -2.2°C, an effective accumulated temperature of ≥10, 4576 hours, an annual sunshine duration of 2,526 hours, a frost-free period of 200 days, and 865 kilograms of 666.7 square feet of fresh aquatic fruit per year in the year of planting, thereafter every year 666.7 The output of square meters is controlled at 1500~1800 kg; it is 4–6 times higher than the open season with 30-40 days of precocity.
2 Variety selection and planting techniques
Select the extremely early-maturing and early-maturing varieties Jingya, Jingxiu, Jingyou, 87-1 for reasonable close planting. Plant spacing 0.8 meters and 1.5 meters, before planting, planting trenches with depths of 0.8 meters and digging depths before and after planting, filling about 20 centimeters thick weeds or stalks and backfilling part of the subsoil at the bottom of the trench, and then topsoil, organic fertilizer and compound fertilizer. Mix and backfill, watering solid. In general, 5000 kg of chicken manure is applied every 666.7 square meters, and 40 kg of compound fertilizer is added. Dig pits and planting, the roots of the seedlings should be properly cut off before planting, soaked in water for about 15 hours to allow the seedlings to absorb enough water, and then use the rooted powdered mud to remove the roots. When planting, the root system should be stretched around and the soil should be covered with solid, watered, and cultivated mulching to improve the ground temperature.
3 Plant management after planting
After planting, we must timely and meticulously wipe buds and plastics to control pests and diseases to promote the healthy growth of seedlings. Adopt easy-to-manage, easy-to-update single-arm single-layer horizontal pruning. In the first year, we must keep 1 robust new shoots as the main vines, vertical on the shelf surface. Bring up the tie, when the length is 1.7 meters, pick up the heart, keep 1-2 tips at the top, leave 5-6 leaves repeatedly to pick out the heart, and leave 1-2 leaves on the other side to pick up the heart repeatedly to control thickening and promote flower bud differentiation. The main cranberry winter when the cut to reach the thickness of l-1.5 cm, the main vine in the forefront of the 1-2 sub tip joints under the cutting section, leaving a length of 1.5 meters, the rest of the auxiliary tip all cut off from the base.
4 Post-stamp management
The grape shed is suitable for the shed in the middle of February. It can be unearthed after the shed, but it is not in a hurry to put it on the shelf. After the week of the boring shed, the main vine is horizontally led to the first wire, and the main vine is separated from each other. About 15 centimeters, a new shoot is preserved. The newly shoot is vertically tied upwards, and it is 3-5 before the flowering. The part of the topping is generally 6-8 leaves above the inflorescence, and the top side leaves 4-5 leaves. Repeatedly topping out the following inflorescences; the remaining tips are all erased; the rest of the cutting tips are left with 1-2 leaves topping and at the same time the buds between the leaves are completely removed. After the tops are torn so that they no longer grow, the rest are erased, only At the turn of the main vine, a strong bud is kept under the first wire to prepare the main vine. Not only the result, but also the space is enough. In the winter, it was trimmed from the preparation of the main vine. Instead of the original main vine, the main manuscript was cut to 1.5 meters. After that, the cycle was repeated year after year.
5 Water Management
Every year, in September, Shi Jifei applies 3,000 kg chicken manure per 666.7 square meters, circulates 1500 kg fertilizer and 30 kg of compound fertilizer; 35 kg of urea is applied per 666.7 m2 of pre-emergence; long-term top dressing of young fruit and Xinzhao Wang. Special compound fertilizer 2 times, 50kg for every 666.7 square meters; for every 666.7 square meters of coloring period, 25kg of potassium sulfate and 25mg of diammonium phosphate are applied. After the grapes are poured out and poured once, they are watered after each fertilization. The cultivator; especially after the nucleation agent and the bulking agent are processed, the water supply of the plants should be fully satisfied, but watering should not be performed during the flowering period. At the same time, the spray was sprayed with 0.3% potassium dihydrogen phosphate or photosynthetic micro fertilizer every 15 days.
6 Temperature and humidity management
After the shed is sealed, the greenhouse is sealed for about 1 week. During this time, the temperature during the day is controlled at about 20°C, not exceeding 25°C, the night temperature is about 2-5°C, the humidity is maintained at 90% or more, and the entire temperature increase process cannot be overemphasized. Step by step to prevent the emergence of budding irregularities; germination to the outset of the inflorescence temperature 22-28 °C, humidity of about 80%; flowering temperature regulation at 25-30 °C, to increase the release of wind during this period, sunny open at around 9 am At the tuyere, the tuyere is closed around 5:00 pm, so that the humidity is maintained at about 60%; from fruit setting to maturity, the temperature is controlled at 25-28°C during the day and the ventilation volume is gradually increased. When the temperature is stable at 18°C, the skirt film can be removed first. After about half a month, the top film is completely removed.
7 Treatment of nuclear-free and bulking agents
The technology uses the high-quality grape fruit (a5-l, a5-2, b-3) and swelling agent developed and produced by the Basic College of China Agricultural University, which can increase the fruit size by 20%-50%. The non-nuclear rate is above 95%, and the sugar content is improved and the quality is excellent.
1) Spike before flowering. 3-5 days before flowering, individual plants in the shed have seen flowers. The majority of spike color changes from green to yellow-green. When the panicles on the panicle have been separated, 0.36 grams of a5- 2 Pour into 20 kilograms of clear water and stir well. Then pour 15 ml of a5-1 into the water solution and mix well. Place the liquid in plastic jars and gently press the flower spikes into the liquid. Wet, so that each bud is evenly attached to the liquid.
2) About 5 days after flowering, the grape corolla has already fallen off and young fruit develops to be slightly smaller than mung bean. Pour 200 ml of b-3 into 25 kg of water and stir and stir the ears (666.7 m2). Since the ear has grown up, use a larger container to hold the liquid. Make sure that all the fruit is glued.
3) Dilute the bulking agent stock solution to 100 times liquid spikes 15-20 days after flowering. This can be sprayed with a hand-held small sprayer, but be sure to spray evenly all liquids on the fruit so as not to trap the fruit in the ears. Unstained green grain.
8 Inflorescence, Ear Management
1) According to the size of the spikelets and the nutritional status of the branches, when the spikes are separated from the inflorescence, the deputy panicles and spikelets are removed, the upper few panicles are properly removed, and the spike spindles are removed from the tip 1/4-1/3. , To remove the ear tip of long spikes, so that the whole ear to retain 10-12 ears, if the ear is too large, too many fruit set, too dense, with a small scissors to loosen or cut some ears, sparse The fruits that have gone to dense areas have neat spikes and the fruit particles are pressed against each other. Generally, 50-80 grains are left per panicle.
2) Bagging. After the non-nuclear agent and bulking agent have been processed and the heads are trimmed, the sterilizer is uniformly sprayed on the ear evenly, and the ear is then bagged. In the first half of harvesting, the fruit was first scattered from the bottom of the fruit bag and removed in the cloudy or afternoon of the week before harvest to promote fruit coloring.
9 Pest control
Grape sheds in greenhouses are generally lighter, mainly for prevention, combined with clear gardens before sheds, sprayed with 3-5 degrees of lime sulfur and 200 times of sodium pentachlorophenol, and sprayed with 5 degrees lime sulfur before germination. Depending on the growth stage, chlorothalonil, thiophanate-methyl, Dasheng m-45, and carbendazim are sprayed alternately every 10-15 days. Insecticides are killed with pyrethroid pesticides.
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