economical, pollution-free,a best medium that used in orchid planting,container planting

1.Renewable, natural, organic, economical, environmental material.

2. Non-poisonous, high water retention, high nutrient retention, without additives, apply for container nursery.

3. Particle structure, slow-release, good ventilation.

4. Without grass seed, reduce cost.

5. Good production and supply ability.

planting-hickory shell (>15mm)