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The seedling tray is an important tool in the current factory seedling generation process. Whether it is flowers or vegetables, seedling trays can be used. The materials used to make plug trays generally include polystyrene foam, polystyrene, polyvinyl chloride and polypropylene.
The hole shapes of seedling trays are mainly square and round. Generally speaking, square holes contain about 30% more substrate than round holes, and the water distribution will be more even, which can make the seeds more even. The root system of the seedlings is more fully developed.
Introduction to technical methods of using seedling trays to raise seedlings:
1. Prepare plug trays: Prepare plug trays in advance, soak them in 100 times bleach solution for 8-10 hours, dry them and set aside.
2. Prepare the substrate: Prepare the substrate for seedlings, which can be prepared with peat soil, vermiculite, and perlite. Add nitrogen, phosphorus, and potassium compound fertilizers and decomposed chicken manure, and perform disinfection and sterilization.
3. Sowing in trays: Put the prepared substrate into plug trays, poke holes in the substrate, and sow the seeds.
4. Seedling management: After sowing, water thoroughly, cover with film, and wait for germination and emergence.
Advantages of plug seedlings: plug seedlings, one seed per hole when sowing, and one plant per hole when seedlings are grown. Each seedling has an independent space, water and nutrients do not compete with each other, the seedlings grow quickly, and there are few pests and diseases ( Especially without soil-borne diseases), and the seedlings are not easy to disperse, the root system is complete, transplanting is convenient, the roots are not damaged during planting, the seedlings are slowed down quickly or even without a seedling slowing down period, the survival rate is high, suitable for long-distance transportation, and conducive to mechanized transplanting . The seedling raising process is highly mechanized. Compared with farmers raising seedlings by themselves, it saves labor and is highly efficient. The seedlings are transplanted neatly, which is conducive to production management and high yields.