Early Spring Eggplant Vegetable Seedling Technology
First, cultivate nutrition soil. From the land that was planted with welsh onions, garlic or those that had not grown solanaceous vegetables in recent years, the soil was then mixed by vegetable garden soil, decomposed horse dung, and manure in a ratio of 1:1:1, and then the equivalent cultivation was added. 0.1-0.2% of the soil is made up of nutrient soil made of calcium superphosphate and filled into the nursery bed.
Second, the seed disinfection. Soak it with warm water at 55°C, or soak it with 10% aqueous solution of trisodium phosphate for 20-30 minutes. Remove and rinse with water, then germination.
Third, the appropriate sowing. According to the planting period, the appropriate sowing date should be accurately estimated. Before planting, the seedbed should be poured first with water, then sowing, covering the soil and covering the film.
Fourth, temperature management. It is advisable to keep the solanaceous vegetables sown to 25-30°C prior to sowing; it is advisable to keep 20-22°C during the day after emergence, and to maintain 15-16°C during the night; before planting to maintain 25- 28 is suitable °C, after the slow seedlings to maintain 20-25 °C during the day is appropriate, at night to maintain 15-18 °C is appropriate; 7-10 days before planting to be low-temperature exercise, in order to improve the survival rate of colonization of eggplant vegetables.
Fifth, lighting management. Solanaceous vegetables are all bright and strong, grow strong under strong light, easy to grow sick under weak light. The specific lighting management measures are:
1. The glass or plastic film should be kept clean to reduce the accumulation of water droplets and dust and improve the light transmittance.
2, in the case of ensuring the temperature, as early as possible, cover the dumplings late to extend the hours of light.
3. Hang the light curtain to increase the light intensity and light receiving area.
4, cloudy days also unmasked.
Sixth, water management. Put enough water before sowing; do not water immediately after sowing; pour water once when the seedlings emerge; when watering, pour from one end at a time, do not pour back and forth repeatedly. After each watering, when the leaves leave no trace, sprinkle some dry soil or plant ash to help protect the earth, prevent compaction and reduce the soil temperature, avoid watering in cloudy snow days.
Seven, before the planting seedlings. Nocturnal cryogenic exercise was performed 5-7 days before colonization. If the seedlings are too tender, in order to avoid cold damage, they can use a higher temperature (7-10°C) for several days before further hardening. The suitable temperature for the general solanaceous vegetable hardening seedlings is: the tomato is 3-5°C; the eggplant, the pepper is 8-11°C, and the practice time is 3-5 days. After low-temperature exercise, the vegetables of Solanum can significantly improve adaptability, endure general frost, and quick seedling quickening after planting and hair trees early. In addition, we can also use methods such as expanding the seedling distance and uncovering the solar seedlings to promote the seedlings to be strong, enhance the resistance to stress, and improve the survival rate of planting.
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