Bio/Organics Endomycorrhizal Inoculant (1.5 lb)Apply these fungi to transplant roots or dust on seeds, add to potting soil, or mix into water to drench nursery seedlings or lawns. Contains 8 proven types of beneficial fungi in micronized mineral carrier. Recloseable jar Treats 500 larger transplants (trees, bushes), 5000 small garden plants, 5000 sf lawn or 3 acres of seed. 2 year shelf life