Description
The Winstrip Tray makes soil blocks obsolete. These trays bring all the benefits of soil blocks without any of the downside.
Roots obviously grow down and in every nursery tray there is only a round drainage hole at the bottom of the cell. Roots hit the bottom of the tray and circle around the edge and around that hole. A circle on the bottom means circling roots.
The Winstrip tray does not have a circle on the bottom, rather it has a strip that extends across the entire bottom of the cell and slits on the sides that reach the opposite corners of tray. These features air prune the roots. The root try to circle but hits the air in those corners and stops. The root then gets strong as is waits to be transplanted.
It is all about that Winstrip shape at the bottom of the cell. It holds in soil and air prunes.
What size tray to use?
50 - Tomato, Cucumber, Artichoke, Squash, Eggplant, Pepper, Melon, Pumpkins
72 - Broccoli, Cabbage, Brussel Sprout, Bean, Cauliflower, Kale, Chard, Parsley
128 - Lettuce Head, Beet, Celery, Bok Choy, Fennel, Leek, Onion, Pea, Basil
72 Cell Tray
Cell Size - 1.3" width x 2.3" Depth
Cell Volume - 3.4 in³ (55 cc)
Tray Volume - 1.06 litres
Tray Dimension - 19.88" x 9.9"