Arber Soil & Root Food predatory mite sachet The air prune design uses

The air prune design uses airstrips in each cell to interrupt root growth before circling begins

It contains the active mycelium and spores of Clonostachys rosea strain J1446 and is OMRI-listed for use in organic production systems

and potassium sulfate to deliver balanced nitrogen

Complete protection - Perfect for use on fruit trees

Moisten soil before application to improve habitat

Arber Soil & Root Food predatory mite sachet The air prune design usesGive Your Soil a Living Boost With Arber Organic Soil & Root Food Great gardens start underground. This concentrated granule formula delivers mycorrhizae and beneficial Bacillus strains straight to your root zone, helping build stronger roots, better nutrient uptake, and healthier plants from the ground up. Where it works: potted plants, container gardens, in ground beds, seedlings, transplants, trees, shrubs, and flowering plants basically anywhere