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Potassium 101

By Dr. Libby Rens Potassium is sometimes underrated in the plant nutrition world. We often consider it ‘third’ on the list, only after nitrogen and phosphorus. But plant dry matter has 5-25x more potassium than phosphorus, and plants have almost as much (sometimes more!) potassium (K) than nitrogen. How does K react in the soil, […]

Agricultural, Organic, Potash, Trio, Uncategorized

October 12, 2020

Crop Nutrient Removal

By Libby Rens, PhD What is Crop Nutrient Removal? Harvest is the time to reflect on the success of the season and use that insight to plan for next year. At the end of the season, we are literally removing plant nutrients from the system in the form of yield. Every potato or apple or […]

Potash

September 1, 2020

How to Balance Potassium Sources for Organic Alfalfa

By Libby Rens, PhD Anyone can tell you: Alfalfa is a BIG potassium user An average 3.5-ton alfalfa harvest will remove around 220 lbs of K2O per acre (WSU, UCANR). Even more, if you yield over 4 tons per acre! This is in part because of alfalfa’s large biomass production, and the entire aboveground portion […]

Organic, Potash

May 1, 2020

10 Things to Know About Chloride

By Libby Rens, PhD Chloride is an essential plant nutrient that contributes to photosynthesis and crop productivity. Muriate of Potash (MOP) is the most commonly used potassium and chloride fertilizer worldwide. The MOP at Intrepid Potash is the only OMRI-listed MOP produced in the US and approved for organic production, and Intrepid Potash’s solar evaporation […]

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