Down and Dirty with NPK

A blog about Agricultural Nutrient Management in the Southern Great Plains

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Save the date for the 2017 Oklahoma Crops Conference!

2017 OK Crops Conference - Save the date

OSUNPK Fertilizer Market Outlook: Nitrogen Decline Pauses 9.7.26
The most important fertilizer-market development of the past two weeks is not another sharp price move, but the pause that followed August’s nitrogen decline. Oklahoma’s…
2026 Grain Sorghum Variety Trial Results: Tipton and Chickasha
Josh Lofton Cropping System Specialist, OSU Tipton: The southern most location in our sorghum plots is often the first to be planted and the first…
OSUNPK Fertilizer Market Outlook: Local Nitrogen Prices Break Lower 8.24.26
The most important movement of the past two weeks is the decline in Oklahoma nitrogen references. From August 7 to August 21, UAN 28% fell…
Sulfur Fertilizer in Wheat: Is It a Have-To?
Brian Arnall, Precision Nutrient Management Extension Specialist. Sulfur has become a much bigger part of the fertility conversation over the last several years, and for…