Evaluation of Phosphate and Nitrogen Fertilizers Treated with Polymer Additives to Increase Fertilizer Efficiency

The Richardson International Kelburn, MB research and demonstration farm was the site of experiments evaluating Avail additive for both dry granular and liquid phosphate fertilizers. there were also experiments evaluating Nutrisphere additive for urea N fertilizer.


Brian Hellegards, James Richardson Intl
Kelburn Research/Demonstration Farm
Phone: 204-269-2722
1228 Kelburn Road
Howden, MB
R5A 1K2