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Fact Sheet
The Evolution of Reference Strips in Oklahoma

Gain a better understanding of the uses of reference strips used to prevent the misapplication of Nitrogen while fertilizing the soil.

FertilizationSoilSoil Health & FertilitySoil Testing
Fact Sheet
Small Fruit Fertilization and Maintenance Schedule

A resource guide to producing and maintaining perennial fruit crops that are viable in Oklahoma.

Apples & PearsBerriesCropsFertilizationFruits & Tree NutsGrapes & WinePeaches & NectarinesSoil
Fact Sheet
Fertilization Based on Sufficiency, Build-up and Maintenance Concept

This publication describes different approaches for making fertilizer recommendations and how to adjust fertilizer practices based on market conditions.

FertilizationSoil
Fact Sheet
Starter Fertilizer for Winter Canola in Oklahoma

Starter fertilizer is a small amount of fertilizer nutrients applied in close proximity to the seed and the technique requires its own management procedures.

CanolaCropsFertilizationGrains & OilseedsSoil
Fact Sheet
Cotton Yield Goal – Nitrogen Rate Recommendation

The comparison between historic trends, new data in nitrogen requirements and the effects of nitrogen in cotton yields.

CottonCropsFertilizationSoilSoil Health & Fertility
Fact Sheet
Fact Sheet
The History of the GreenSeeker™ Sensor

Learn about the history of the GreenSeeker sensors that are used to make mid-season Nitrogen rate recommendations.

FertilizationSoilSoil Health & FertilitySoil Testing
Fact Sheet
Types of On-Farm Demonstrations

Learn about different types of on-farm demonstrations and the benefits and challenges that should be considered when selecting one.

CropsFertilizationIrrigationSoilSoil Health & FertilityWater
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