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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 sprays improved leaf K content, fruit size and peel thickness of clementines. Read more ...
Soybean development increased with 50-75% nitrate in the nutrient solution and seeds accumulated less polyamines compared to no or 75% ammonium. Read more ...