Sustainable Fertilizer Work
Chris Clayton DTN Ag Policy Editor
Tue Oct 28, 2014 02:18 PM CDT

DES MOINES (DTN) -- Matt Carstens reached out to Environmental Defense Fund last spring to talk about fertilizer efficiency after seeing a news article about Walmart's push to reduce fertilizer usage for corn production.

Carstens, vice president of crop nutrients for United Suppliers, was looking for a relationship to better understand what major retailers expect from farmers regarding fertilizer use. He also had a network of 760 ag retailers in 20 states and four western Canadian provinces that were already wired into the fertilizer industry's 4Rs emphasis on nutrient management. Carstens saw a way to connect Walmart's interest in reducing ...

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