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Double-crop soybean production in Oklahoma
(Oklahoma Cooperative Extension Service, 2008-12)
Starter fertilizer for winter canola in Oklahoma
(Oklahoma Cooperative Extension Service, 2016-10)
Using the GreenSeeker handheld sensor and Sensor-Based Nitrogen Rate Calculator
(Oklahoma Cooperative Extension Service, 2016-01)
How to get a good soil sample
(Oklahoma Cooperative Extension Service, 2013-03)
Nitrous oxide emissions from soil
(Oklahoma Cooperative Extension Service, 2013-01)
Evolution of reference strips in Oklahoma
(Oklahoma Cooperative Extension Service, 2009-05)
Evaluation of phosphorus fertilizer recommendations in no-till winter wheat
(Oklahoma Cooperative Extension Service, 2017-10)
Diagnosing nutrient deficiencies in canola
(Oklahoma Cooperative Extension Service, 2016-09)
Managing winter canola in Oklahoma
(Oklahoma Cooperative Extension Service, 2016-02)