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Second, soaking seed will be selected pea seeds soaked in water one day and one night, the container must be more water, usually 2 to 3 times the seed volume, to prevent the seeds from swelling, some of the seeds exposed the water, and affect the seed budding uniformity. Seed soaking time is not fixed, according to different seasons or temperature soaking time adjustment, in principle, short winter and long summer, soaked seeds should be washed with water 2 to 3 times to keep the seeds clean. When soaking, remove the impurities floating on the water.
Third, sowing selection of good water absorption properties of white paper soaked in water after the tile flat on a clean seedling tray, then remove the seed with a hedge, into the seedling plate, and shake with both hands, so that the seeds are evenly distributed, the general species should be It is covered with a full chassis, and there are 1/4 to 1/3 layers (having a certain number of basic seedlings in order to achieve the purpose of strong seedlings and high yields). That is, the seeding rate of peas is 500 to 600 g/disc. When sowing must pick out bad seeds and impurities.
4. The germination will seed the seedlings of the good seedlings in a neat, overlapping, and squatting manner on the entire surface of the ground for germination. The height is not more than 100 cm. It is usually 5-6 pans for each trip. The upper and lower floors each have one paving. Empty white paper, so as to prevent the wet water from drying out, and to maintain air permeability; 2 to 3 centimeters are needed between each cup to facilitate ventilation; the temperature of the germination chamber should be maintained at 20 to 25 °C to facilitate seed germination; And spray water from the second day after stacking, spraying water once a day, the amount of water should not be too large, so as not to shoot bad, in the water spray should also be carried out once, down, left, right seedling plate position exchange. When the shoots grow to 1 to 2 cm, the germination phase ends.
Fifth, management
1. Light. The newly-raised seedling tray should be placed on the lower layer of the nursery shelf where the air humidity is relatively stable and the light is weak, so as to avoid the occurrence of "bud dryness" and other hazards during the transition day.
2. Temperature. The temperature of the nursery room should not be lower than 16°C at night and not higher than 25°C during the day.
3. Humidity. Water is sprayed twice a day. The amount of water is controlled to completely wet the seed buds and paper. After the water is sprayed, there is not a large amount of water dripping. That is, water is poured on the ground. When water is sprayed, it must be sprayed on the top and then turned down to prevent the bottom layer from being sprayed. The amount of water is too large, causing rotten seedlings, down seedlings and other phenomena; when the air is dry, it can increase the water spray 1 or 2 times.
4. Ventilation. Ventilation is one of the important measures for regulating the temperature and humidity of the nursery room. Ventilation not only keeps the air in the nursery room fresh and reduces the relative humidity of the air, but also reduces the germ in the shoot and avoids the loss of carbon dioxide in the air. Generally one day should pay attention to ventilation 1 or 2 times.
5. To adjust. The direction of the seedling plate should be adjusted once every two days in order to adjust the phenomenon of uneven growth of the shoots caused by uneven light and heat. Adjustment and transfer can be carried out at the same time. That is, as the seedlings are shipped out, the seedlings are moving from the lower level to the upper level.
6. When the seedlings grow up to 10 centimeters after the emergence of the seedlings, the top lobules have already started and they will be listed on the market. Pre-emergence micro-spraying should not only prevent the buds from drying and aging, but also increase the appearance of beauty.
Non-pollution Cultivation Techniques of Pea Seedlings
First, choose a variety of pea varieties used for the production of bean sprouts, should choose a high bud rate, fast growth, plump, quality soft varieties. In winter production, crisp white peas and green peas should be selected; in summer, gray peas and white peas that are not easily rotted are used. Before soaking, seed selection should be carried out to remove residues, insects, immature seeds and impurities.