Highly Concentrated, Enriched Potassium Nitrate, an Optimal Booster for Yield and Quality of Citrus Fruits by grassdmin8 | May 20, 2011 | General, University & Independent Studies HIGHLY CONCENTRATED, ENRICHED POTASSIUM NITRATE, AN OPTIMAL BOOSTER FOR YIELD AND QUALITY OF CITRUS FRUITS. Tel Aviv, Israel For more research studies go to Research For product information go to Products Find your Local Dealer ORDER INFO