Can I apply K with other fertilizer or do I lose the benefit provided?

Can I apply K with other fertilizer or do I lose the benefit provided?

Robert Mullen, Ph.D.

Robert Mullen

Robert Mullen, Ph.D.

Nutrien

Director of Agronomy

To say Dr. Robert Mullen is passionate about agriculture would be an understatement. He holds a Bachelor of Science degree in ag business from Cameron University, along with a Master of Science degree in plant and soil science and a Ph.D. in soil science from Oklahoma State University. In addition, Dr. Mullen has been published in a variety of scientific and trade journals. But it’s not just his academic accomplishments that make him unique. It’s his unwavering ability to take complex data and — in simple terms — explain how it impacts a farmer’s bottom line. Dr. Mullen delivers the kind of insightful observations that can lead to a more profitable business. As a leading agronomy expert, Dr. Mullen has a goal to further educate farmers on best management practices that improve their yields and maximize their return on investment.

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Can I apply K with other fertilizer or do I lose the benefit provided?

From a crop nutritional standpoint, no. Mixing K with other fertilizer materials will not impact the benefit of K fertilization for a crop, as we do this all the time with dry fertilizer blends.

From a blending standpoint, there are certain compatibility issues to be aware of because mixing certain fertilizer products with K may impact fertilizer application and storage. For example, potassium chloride (MOP) and urea can be blended, but anything other than short-term storage of these two products together can result in caking due to the hygroscopicity (water sorbing) of the products.

Consult your local agronomist or fertilizer retailer to make sure products are compatible before finalizing your application plans.