Understanding modern growing media in agriculture

Understanding modern growing media in agriculture

June 21, 2026 · 8 min · Episode 565

About this episode

This episode explores the importance of modern growing media in agriculture, featuring insights from Dean Oellerman on various substrates and their impact on crop production.

What role does growing media play in crop success? In this episode, we unpack the science behind specialised substrates such as coir, peat moss, perlite, and Hygromix, and their growing role in greenhouse, nursery, and intensive horticultural production. Featuring insights from Dean Oellerman of Greenhouse Technologies, the conversation explores root development, water management, germination, nutrient monitoring, and the realities of adopting soilless growing systems in Southern Africa.

People in this episode

Guest: Dean Oellerman

Topics covered

Mentioned in this episode

Organizations: Greenhouse Technologies

Products: coir, peat moss, perlite, Hygromix

Places: Southern Africa

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