From Grow Magazine , July 2018; Sustainability Issue

BY CHRIS KEHOE

Silica is widely misunderstood. It is mistakenly left out of most plant nutrition and agriculture input management programs. Current popular wisdom for adding silica (SiO2) to any cannabis nutrient regime is relatively limited to strengthening cell walls and increasing vigorous plant growth. Fortunately for growers who are ready to master the art and science of cannabis cultivation, the role of silica is just now being discovered for optimizing success in plant nutrient programs.

Modern plant science classifies silica as a beneficial micronutrient required for healthy plant gr