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We believe expanding agronomic knowledge starts with providing growers and agriculture professionals with quality information, research, tools and insights. Use the assets below to benefit your growing efforts. To receive ongoing news and insights, sign up for any of our crop newsletters.

Topic: potatoes

Field Trial Findings: Protassium+ Delivers Higher Quality and Yield

A 2013 field trial near Pasco, Washington compared common potash sources to determine the impact on potato yield and quality. Trial results clearly showed Sulfate of…

Topic: potatoes

Field Trial Findings: SOP Delivers Higher Quality and Yield

A 2013 field trial near Pasco, Washington compared common potash sources to determine the impact on potato yield and quality. Trial results clearly showed Sulfate of…

Topic: potatoes

Nutrient Removal as a Soil Fertility Planning Tool

"Sustaining high yields and quality in crops requires that farmers use soil testing to assess their soil nutrient reserves and amend the soil with nutrient sources so that…

Topic: alfalfa

Compass Minerals Alfalfa Presentation

A Sulfate of Potash (Protassium+®) presentation on potash management and alfalfa. Presented by Compass Minerals®  April 2011.

Topic: alfalfa

Phosphorus and Potassium Fertilization of Alfalfa

 "Providing adequate P and K fertilizer slowed yield reduction over time, resulting in progressively greater yield advantages due to P and K fertility as stands became older."…

Topic: alfalfa

Managing Phosphorus and Potassium for Maximum Alfalfa Yield and Quality

A 2005 issue of News & Views from the Potash & Phosphate Institute that presents a brief review of some of the work regarding P and K fertilizer…