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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 spray increased seed yield of grasspea, grown in rice fallows. Read more ...
Potassium nitrate outperformed alternative K-sources of processing tomato in terms of yield and quality. Read more ...