COVID-19 UPDATE
We're responding in line with state and federal guidelines and with an abundance of caution.
Committed to Nature
Providing the world with advanced biological inoculants and fertilizer products for over 26 years, RTI is best known as the oldest, most renowned producer of arbuscular mycorrhizal fungi and the first company to produce biodegradable transplant fertilizer packs. Find the key to successful plant growth with one of our premium lines in the agriculture, landscape, home garden, and hydroponic markets. RTI continues to provide high-quality fertilizer products for forest regeneration, habitat restoration, and mine reclamation markets around the world.
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RTI produces a variety of transplant fertilizer packs and land regeneration products for forestry, habitat restoration, and mine reclamation projects.
Biological and nutrient delivery products to help support sustainable agricultural crops.
An ideal blend of beneficial soil microbes and organic nutrients for consumer gardeners.