Air Prune Heavy Duty Propagation Tray - 72 Cell

Alternative to Soil Blocking Get the air pruning benefits of soil blocking without the mess! These farm trays allow for airflow above and below the soil, so newly established seedlings get optimal growing conditions for a strong start. Gain healthier root systems and stronger transplants using these air pruning block trays. Start all of your flowers, herbs, and vegetables in these seed-starting block trays. Also available in bright colors! Benefits Stronger, healthier root systems - Airstrips in each cell prune the roots to prevent root circling Perfect for delicate starts - Includes large bottom holes for easy removal Ample airflow - Air channels between each cell provide even air circulation Dimensions -  19-13/16" x 9-14/16" x 2-5/16" Individual Cell Dimensions- 1.37" from the top, 2.29" tall, .87" hole, and 1" at the bottom Durable, heavy-duty to last a lifetime - Backed by a 2 Year Warranty  Compatible with our shallow 1020 trays or our deep 1020 trays for easy bottom-watering. Also available in colors! Made from BPA-free, food-safe plastic using a Prime FDA Impact Resistant Polypropylene Made in the USA Available in black, green, orange, blue, pink, purple, and multi-color packs How to Use Air Prune Seed Starting Trays Fill trays with well-draining soil, taking care not to overfill. Lightly compress soil until firm but not compacted. Mist the soil lightly and plant seeds into the media. After planting, bottom-watering can commence using a 1020 shallow tray or deep 1020 tray. Pairs best with our 1020 shallow trays for easy bottom watering and airflow.