Tips for Seedling Trays

Whether it is flowers or vegetables,seedling starter trays are one of the most fundamental changes in modern horticulture, offering the guarantee of rapid and high volume production. The cavity tray has become an important tool in the production of factory seedlings.

Materials used to manufacture cavity trays are generally polystyrene foam, polystyrene, polyvinyl chloride and polypropylene. They are manufactured either by blow moulding or by injection moulding. Typical vegetable and ornamental plant nursery trays are made from polystyrene.

The standard cavity tray measures 540mm x 280mm and the number of holes varies between 18 and 800 depending on the size of the hole diameter.

The hole shapes of the seedling trays are mainly square and round. The square hole generally contains about 30% more substrate than the round hole, and the water distribution is also more uniform, and the root system of the seedling is more fully developed.

The color of the seedling plug will affect the temperature of the plant's roots. White polystyrene foam discs have good reflective properties, and are mostly used for early seedling cultivation in summer and autumn to reflect light and reduce heat accumulation at the roots of seedlings. In winter and spring, black seedling trays are selected, because of their good light absorption, which is beneficial to the greening of the roots of seedlings.

Advantages of using plastic growing trays:

(1) Save the amount of seeds and reduce production costs.

(2) The emergence of seedlings is neat, and the consistency of plant seedling growth is maintained.

(3) It can be used with various manual and automatic seeders, which is convenient for centralized management and improves work efficiency.

(4) The root system is not damaged when transplanting, the seedlings are slowed down quickly, and the survival rate is high.

After seeing the advantages of so many seedling trays, are you tempted to place an order?

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