Growing medium, also known as grow medium, culture medium, or substrate is one of the most widely used material for growing greenhouse crops. A growing medium holds water and nutrients, and is a place where gas and nutrient exchanges occur. It also provides an anchor point for a plant's roots. Growing medium is specifically designed to support plant growth and can either be solid or liquid.
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Cultiwool Prime 84 Pieces Starter Plug Sheet 1.4''x1.4''x1.5'' (2100/Cs)SKU: 03511000053
✓ Available by Special Order -
