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The Potassium Nitrate Association (PNA) started in 2008 as a non-profit association of potassium nitrate producers. It’s the portal for all the agronomic and economic advantages of potassium nitrate in crop production systems, throughout the world.












 

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Potassium nitrate found to be the preferred K-source in ‘Valencia’ orange. Read more ...
Controlling powdery mildew caused by Sphaerotheca fuliginea in cucumber by foliar applied potassium nitrate. Read more ...