Adding Biology for Soil and Hydroponic SystemsItem # HN-HDR222
- Subjects presented are easy to understand and apply
- Explains biology and chemistry of nutrient-cycling
- Include simple explanations about plant-growing system
- Perfect guidelines for organic applications
- Measures 9L x 6W x 0.3H in.
Roots Organics Soil
$25.29 - $33.99
Bills Perfect Fertilizer
$22.99 - $101.99
$24.67 - $116.02
Ocean Forest Soil - 1.5 cu.ft. (38.6 Dry qts.)
Physan 20 Fungicide
$16.86 - $86.99
Pro-Control Plus TR Aerosol - 6 oz.
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