Seed processing methods before sowing are more, with sand, warm water, soaking, and so on.
The seed dressing is gently rubbed with the bricks on the concrete floor, until the seed coat loses its luster, and the waxy layer can be worn out. The grinding is too easy to hurt the seeds. Soaking seeds with cold water or warm water for 12 hours, the time can not be too long, otherwise it is easy to chaos species. The seeds are sunned for 3-4 days, sowed directly or soaked in the sun. Before sowing, choose sunny days, nursery bed deep irrigation, until the water seepage, sprinkle a layer of fine soil sieved, broadcast the seeds, cover the thin soil to cover the seeds as the standard. A layer of sawdust or crushed leaves is placed on the top to keep the soil moist, prevent the knot from being covered with a film, and cover the straw or mulch at night to keep warm.
Seedbed management to control the temperature and humidity, keep the seedbed moist before emergence, the topsoil can not be dry and white, because the seeds on the surface of the seedbed, if dried, the new buds do not get water, easy to dry. If the topsoil is dry, from 9 to 10 am, remove the film and spray it on the surface with a watering can. Generally, the water will emerge after 3-4 waterings. After the seedlings are flushed, the number of sprinkling will be reduced and the tripping disease will be prevented. Seed bed temperature is maintained at 25-30 degrees, the temperature is too high, the film is uncovered and the bed is covered at high noon. Pay attention to ventilation, first uncover small seams, gradually increase, the temperature reached 17-20 °C, emergence of 50% -70%, the cover was opened, the seedlings were exercised, the water was properly controlled, and the thin decoction was sprayed every 5 days. Manure water, remove fecal residue, gradually increase the concentration, promote seedling growth, make the roots develop well to adapt to the field environment after transplanting.
When the seedlings are about 6 cm long when they are transplanted, they will be transplanted when 3-4 true leaves are grown. Watering the seedbed the day before planting will facilitate the raising of seedlings with soil, and the survival rate will be high. Plants are planted at a spacing of 24-30 cm and 7000-1300 plants per 1/15 hectare. The seed spacing is 45-60 cm and the spacing is 30-45 cm. Watering is done immediately after planting. Pour 2 waters a day after planting, and then loosen the soil. The seedlings will not be slow, and then the water will be poured again. The soil must be moist and loose during the period of seedling growth.
Field management
Applying more nitrogen fertilizer to toprography and penguin, mainly using human excreta, pouring once a day after planting for 10 days, 10 tons of human excreta per 1/15 hectare, flushing 30 tons, once in the next half month, every 1/15 hectares of concentrated feces 40 urine urine, not irrigated after ridge sealing, after pouring urine, should be carried out in the harvest after the end of the leaf, 10000 can not be poured after the mining leaves. The fields are kept moist, and in June, July and August, we must pay more attention to the temperature and field management. We must often water the land for goods as soon as possible. The grass next to the plant is hand-pulled and the drainage is noticed in the rainy season to remove the roots and roots.
High-yield measures are appropriate for early nursery, early planting, and prolonged growth. Closely planted and planted, and strengthen management when multi-planting to ensure full seedlings. Special attention should be paid to field management in July and August, fertilization, ground watering, drainage during rainy season, and pest and disease control.
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1.This Drying Machine uses electric heating elements as the heat sour
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3.After switching on the electric power, switch on the fan. The rotational direction of fan shall consist with the mark.
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