The use of winter greenhouses to cultivate wintering truss beans, sowing in October, the new year on the market, can obtain considerable economic benefits, the average output per acre of more than 5,000 kg, the output value of more than 20,000 yuan.

One, selected broadcast variety

In winter greenhouses, it is necessary to select winter beans and pod beans that are resistant to low temperature and strong stress resistance, high yield, and high quality. Commonly used varieties include purple oil beans, Shuangfeng rack beans, and oysters 28-2. General oil beans.

Second, seed processing

Before sowing, it is necessary to carefully select seeds, remove pod seeds, insect wound seeds, diseased seeds, or germinated seeds, and strive for full seedlings. To prevent seed infection, soaking with 100% solution of 100% formaldehyde for 1 hour before sowing, then rinse with fresh water. Pour warm water of about 50°C into clean tile pots, pour seeds of beans, and continue to stir. When the water temperature drops to 35°C-37°C, soak for 6 hours. After washing out, wash the seeds with clean water and put them on the tile basin. Put a damp clean towel on the top and place it in a thermostat at 25°C to 30°C or on a hot pot to germinate. During germination, wash seeds once daily with clean water.

Third, fine sowing

Sowing in mid-October, seedling age 25-30 days, culture soil should be prepared according to the ratio of human excrement, horse dung, vegetable garden soil 2:4:4, and use thiophanate-methyl disinfectant. Transplanting seedlings mostly uses small plastic bags and paper tubes (paper pots) to raise seedlings. It is also possible to use nutritious soil cubes to raise seedlings. Each hole is sown with 3-4 seeds, soaked with water, and attention is paid to heat preservation and control. After sowing, cover 2 cm thick screened wet soil. The daytime temperature is controlled at about 35°C and nighttime at 18°C-20°C. The suitable soil temperature is 18°C-22°C and the relative humidity is 80%-90%. After emergence, gradually reduce the temperature to prevent seedlings from becoming long. Generally, the daytime temperature is controlled at about 25°C and about 15°C at night; the temperature should be lowered appropriately during the first 10 days of planting in order to train the seedlings. The first 4 days of the day to maintain 15 °C -20 °C, night 10 °C -15 °C, 4 days during the day 15 °C -20 °C, night 8 °C -12 °C.

Fourth, fertilization

Before the bean is planted, the greenhouse shall be 5000-5500 kg of high-quality organic fertilizer, 60 kg of superphosphate or 50 kg of diammonium phosphate, 60-100 kg of plant ash or 15-25 kg of potash, 35 kg of compound fertilizer, and 30- 35 cm (beans with a deep layer of soil), with a 50-60 cm line spacing, a high ridge height of 10-15 cm and a width of 30 cm.

Fifth, planting the film

Select the morning of sunny planting, planting method using the pit hole planting, pit depth of about 8 cm, when planting should choose a robust seedlings, with large earthworms move seedlings, root damage as little as possible. The bandits should be level with the sorghum and watered after covering the soil. General acres planted 4500-5000 points, 2-3 per hole, a single row per ridge, covered with plastic film after planting.

Sixth, regulate temperature

Within 2-3 days after colonization, the greenhouse was sealed and the temperature of the greenhouse during the day was maintained at 30°C-32°C and 20°C at night. After the seedlings are moderately cooled, the seedlings are cooled at 20°C-25°C during the day and 12°C-15°C at night. After 5-7 days, the temperature of the shed is gradually increased. The temperature is 25°C-28°C during the day and 15°C-20°C during the night. After flowering, it is necessary to prevent the high temperature above 30°C during the day and hang the insulation curtain at night to keep the temperature of the shelf above 15°C. The insulation screen is preferably made of non-woven fabric.

Seven, fertilizer management

After planting till flowering, no drought or watering, start watering from the scab, once every 15-20 days, watering should be selected sunny morning, furrow irrigation under the membrane. After each watering, the air should be released and combined with watering to recover 2 times of fat. Each application of compound fertilizer 10-20 kg, spraying 0.2% -0.3% potassium dihydrogen phosphate at full bloom. During the scarring period, carbon dioxide fertilization can be performed at 8-9 a.m. in the sunny days.

Eight, weeding weeding

After watering the seedlings and easing the seedlings, the seedlings are cultivated and the temperature is raised to ensure the development of the roots and control of the stems and leaves. Before cultivating, cultivating tillage 2-3 times, remove weeds in time after plugging.

Nine, control pests

There are fewer pests and diseases in the beans, and common diseases include gray mold and powdery mildew. Control methods can be taken under the film dark irrigation, ventilation, humidity and other measures to prevent. After onset, 25% triadimefon can be sprayed with 2000-3000 times solution, 50% Versalling Emulsion 800-1000 times solution, 75% chlorothalonil 600-800 times solution, and sprayed once every 5-7 days. Spray 3-4 times. For spider mites and aphids, 2.5% can kill 3000 times enemy liquid, spray 7-8 days, and spray 2-3 times.

X. Scientific Harvest

The market can be harvested before the new year, and harvested in time to prevent premature senescence. Normally, it can be harvested 13-16 days after flowering, and harvested once in 3-4 days. The harvest time is preferably in the afternoon. When harvesting, it is necessary to protect the leaves and buds of the vine so as not to affect the yield in the later period. In order to adapt to the market supply, in the middle and later stages of harvesting, the temperature in the shed can be appropriately lowered to allow the beans to grow slowly to extend the harvest supply period.

Portable 3 Ply Disposable Masks Non-woven Face Mask With Elastic Earloops

Surgical Face Mask

Disposable Surgical Face Mask

Dongguan Anmeixuan Electronic Technology Co., Ltd , https://www.hyashine.com