CultivAcing Knowledge:

Exploring the Fascinating World of Agriculture

Iron Fertilizer: Why Delivery Form Matters
Brock Coursey Brock Coursey

Iron Fertilizer: Why Delivery Form Matters

Most iron deficiency isn't a supply problem, it's an availability problem. High pH, phosphorus antagonism, and competing micronutrients can lock iron out of reach even when soil tests look fine. Here's why delivery chemistry, not just concentration, determines whether an iron fertilizer actually reaches plant tissue.

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Nutrient Efficiency: The Dual Benefits of CultivAce Acetates and Free Phos 24
Free Phos 24, Acetates Brock Coursey Free Phos 24, Acetates Brock Coursey

Nutrient Efficiency: The Dual Benefits of CultivAce Acetates and Free Phos 24

CultivAce acetate fertilizers aren’t just for foliar applications—they’re proving to be just as effective in soil applications. Recent trials showed that our ZnAce (8% zinc acetate) outperformed both zinc sugar alcohol and Zinc EDTA in increasing tissue zinc concentration by up to 100%. This supports the dual benefit of CultivAce acetates, working effectively in both the soil and on the foliage.

In a separate trial, our Free Phos 24 liquid phosphate fertilizer, applied at just 3 gallons per acre, demonstrated a significant boost in yields—up to 14 bushels more than the grower’s standard. With reduced input, less fuel, and more acres covered, Free Phos 24 proves that efficiency and high yield aren’t mutually exclusive.

By encouraging microbial processes like phosphate mineralization and solubilization, Free Phos 24 allows plants to access more phosphorus from the soil, reducing the need for excessive nutrient applications and increasing sustainability.

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