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Tag: potassium
5 Things to Know About Removal-Based P and K Strategies Nov 15, 2022
One item I have been providing in our current corn and soybean fertilizer guidelines is estimated removal rates of phosphorus (P) and potassium (K). While our fertilizer guidelines have traditionally not been crop removal-based, […]
Soil Nutrient Test Results Can Vary When Soil Is Very Dry, Study Shows Oct 19, 2022
Very dry conditions, like those seen in most of Arkansas this fall, impact two aspects of soil sampling that make it hard to measure how much phosphorus and potassium are […]
Louisiana: How Can We Cut Down Phosphorus, Potassium Fertilizer Rates in 2022? Mar 23, 2022
Phosphorus (P) and potassium (K) fertilizer recommendations depend on Mehlich-3 soil-test P and K concentrations, respectively from soil sample taken from 0- to 6-inch depth in Louisiana. Fertilization is recommended […]
Ohio: 6 Considerations for Managing P & K in 2022 Feb 3, 2022
During this period of high prices and uncertain availability of phosphorus and potassium fertilizer, a few basic soil fertility concepts can help guide application decision-making. Fortunately, the work during 2014-2020 […]
Corn, Soybeans: Fertilizer Risk-Mitigation Strategies – DTN Oct 8, 2021
There’s nothing simple about figuring out crop fertility for 2022. Examining what worked and what didn’t this year and pairing that with soil and in-season tissue testing is a good […]
Tennessee Corn: Fertilizer Recommendations for Optimal Productivity – Potassium May 27, 2021
Potassium is a macronutrient that plays important functions in the plant including protein and starch formation in the grain, movement of water, nutrients, and carbohydrate within the plant, stomata closure, […]
Minnesota: Potassium Management Considerations – Podcast May 3, 2021
In this episode of the Nutrient Management Podcast, three U of M researchers discuss potassium management. What key factors impact potassium availability in soils? Currently, Minnesota suggests banding potassium is more efficient […]
Michigan Soybeans: Phosphorus, Potassium Fertilizer Recommendations Mar 19, 2021
The keys to maximizing the economic returns from phosphorus (P) and potassium (K) fertilizer applications are a comprehensive soil testing program including a current soil test, and maintaining phosphorus and […]
Minnesota: Phosphorus and Potassium Fertility – Everything to Know – Podcast Feb 8, 2021
In this installment of the Gopher Coffee Shop podcast, Extension educators Ryan Miller and Brad Carlson recorded a podcast all about phosphorus and potassium fertility. We recruited Dan Kaiser, Extension […]
Minnesota Soybeans: 5 Takeaways on New Fertilizer Guidelines Oct 8, 2020
The addition of fertilizer can be an important part for profitable soybean production. While research on soybean fertility is ongoing in Minnesota, revisions to the soybean fertilizer guidelines encompassing more recent findings […]
