Structure Of Seedling Tray Equipment

The hole shapes of seedling trays mainly include square and circular. Square holes generally contain about 30% more substrate than circular holes, and the water distribution is also more uniform. The root system of seedlings is more fully developed. The size of the standard plug is 540mm × 280mm, and the number of holes varies between 18-800 due to different hole diameters. For cultivating medium and small-sized seedlings, it is advisable to use 72-288 hole trays.
The color of the seedling tray can affect the temperature of the plant roots. The white polyphenyl foam plate has good reflectivity, and is mostly used for early seedling raising in summer and autumn to reflect light and reduce heat accumulation in seedling roots. Choosing black seedling trays in winter and spring is beneficial for greening the root system of seedlings due to their good light absorption. After the seedlings grow up, they should start using root control rapid seedling technology, move them into root control rapid seedling containers, and continue to grow.