First, the preparation of nutritious soil used in the past 3 years, 60% of the garden soil of cucurbitaceae vegetables, 40% of organic fertilizer (30% of organic fertilizer, 10% of plant ash), plus 0.2% of diammonium phosphate or 1 cubic meter The rice nutrition soil was supplemented with 1 kg of superphosphate, and mixed with 800 times thiophanate-methyl before spraying.
Second, the preparation of nursery beds under the conditions of power, can be heated using electric heating line, according to 100 watts of sea level laying. Each nutrient soil is 80% of the soil, and the packed nutritious soil is arranged neatly and closely on the seedbed.
3. Seed treatment Seeds are dried in sunny weather for 2-3 days. Before sowing, they are soaked with 500-600 times of carbendazim, washed and washed with 50-55°C water for 3-4 hours.
Fourth, immersed seed soaked and removed with a damp cloth. The germination was carried out at 25-30°C. When 80% of the seed buds grew, they were sown.
5. Sowing firstly through the seedbed, after infiltrating the water, put the germinated seeds into each pod, and then cover them with 1-1.5 cm of fine sieve soil. Then cover the mulch to facilitate warming and moisturizing. After emergence, expose the seedlings. Go to the film to prevent high temperature roasted seedlings.
Sixth, seedbed management
1, temperature management from sowing to emergence, the temperature is maintained at about 30 °C during the day, not lower than 20 °C at night; after the emergence of reduced temperature, during the day around 25 °C, night at 14-16 °C; after the emergence of real leaves, during the day 22-25 °C , 13-15 °C at night; 7 days before planting, low-temperature hardening seedlings.
2. Other management will no longer flood the entire period. During the dry days, it will be poured into small water in sunny mornings. It is necessary to maintain sufficient light and prevent pests and diseases in a timely manner.
3, strong seedlings standard seedlings 10-15 cm high, clover as one, robust and disease-free, internodes short, thick, thick green leaves, roots developed, about 35 days of seedling age. (Tongnan City Agricultural Institute)
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