Second, preparation before broadcast
1. A reasonable preparation of nutritious soil available 1/3 pastoral soil (use non-undergraduate crop topsoil, preferably with onions and garlic or celery topsoil), 1/3 furnace ash or sand, plus 1% superphosphate Break through the sieve and mix. In order to prevent seedling diseases, the “pad soil†and “cover soil†used for sowing should be treated with medicaments. The dosage is 25% carbendazim WP 8g or 25% metalaxyl wettable powder 1g per square meter. 1/3 of the drug soil is used as a "cushion soil," and 2/3 of it is used as a "cover soil." After the cultivation soil is well-matched, it is evenly filled into the seeding bed with a thickness of 8-10 cm, and it is pressed and leveled.
2, pouring enough water at the end of pouring water should pay attention to watering in advance or pouring warm water, so as to avoid the temperature dropped and affect the seed emergence.
3. Seed treatment Seed treatment or follow the following steps: (1) Sowing: The cucumber seeds are sun-dried for 2-3 days before sowing. (2) Soaking in warm soup: The sun-dried seeds are soaked in warm water at 55°C for 15 minutes. When the seeds are hot, they are constantly stirred and heated to maintain the constant temperature. After 15 minutes, no water is heated until they are stirred, and the temperature drops to room temperature. Then soaking at room temperature for 4-6 hours, soaking with water after soaking, wash off the mucus on the seeds. (3) Pharmaceutical treatment: Seeds soaked in warm soup are soaked in 1% potassium permanganate solution for 15 minutes. It is advisable to bury the seeds in liquid medicine. (4) Priming: The seeds treated with the medicament are covered with gauze or gauze and placed in an environment of 15-28° C. for germination. When 60% of the seeds are exposed, the seeds can be sowed. During the germination process, seeds are washed twice daily with water at about 25°C.
Third, the fine sowing first draw 3 cm square of the nutrition clods, each square 2 seeds in accordance with a certain law orientated, sowing radish down flat, after covering the nutrition fine soil about 2 cm to prevent seed band Cap unearthed. Then cover it with a straw curtain and uncover it after the bud has broken its soil.
IV. Post-broadcast management
1. Keep the seed temperature as soon as possible after the temperature management sowing to maintain the temperature within the shed 28-30 °C. When the cotyledons are unearthed and the first true leaves open, they are properly cooled. Maintain daytime temperature 20-21°C and nighttime temperature 12-15°C.
2. The treatment of the medicaments will help the female flowers to spray the seedlings with 150-200ppm concentration of ethylene in one leaf and one leaf and one heart to prevent leggy, promote female flowers and increase yield.
3, to strengthen seedbed management, cultivation of appropriate seedlings in the seedbed generally do not topdressing, but must pay attention to watering. The middle should stop the water seedlings once in the three leaves and one heart, so that it lasts for 50-60 days, and the seedlings can be planted and transplanted in the late February to early March.
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