New controlled-release fertilizers

April 20, 2010
Oct. 2009 – Agrium Advanced Technologies, a leading manufacturer of slow- and controlled-release fertilizers and micronutrient products, has added three coated-potassium sulphate (SOP) products and one coated-potassium magnesium sulphate (K-Mag) product to its line of POLYON® controlled-release fertilizers. The new fertilizers feed the plant's rootzone slowly and consistently with the potassium needed in order to thrive.

Most fertilizers release potassium too quickly for plants to use it all, particularly in potted mediums where soils percolate high amounts of water. POLYON controlled-release fertilizers have a coating that allows gradual, consistent release of potassium, so one application can last the entire crop cycle.

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