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A person holding a handful of wet soil while pointing to the worms that are coming out.

Soil Physics Program

The OSU Soil Physics program provides information to help understand the soil, the soil water balance, and the surface energy balance to help producers better manage and conserve their land and water.

Program Details

Soil Topics:

Fertilization

Soil Compaction

Soil Conservation

Soil Erosion

Soil Health & Fertility

Soil Moisture

Soil Testing

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Fact Sheet
Using Water to Calibrate Sprayers for Fertilizers and Other Liquid Solutions

The calibration process for liquid solutions using water.

Composting, Fertilizing, & MulchingCrop Production Water IssuesFertilizationGardening & Lawn CareSoilWater
Fact Sheet
Understanding Soil Water Content and Thresholds for Irrigation Management

The basic concepts and benefits of soil water content and soil water thresholds for efficient irrigating practices.

IrrigationSoilSoil Health & FertilitySoil MoistureWater
Fact Sheet
How Does Soil pH Impact Herbicides?

It’s important to know and understand the pH of soils; not only for the crops grown, but also for the herbicides you plan to use and how they will react.

HerbicidesInsects, Pests, and DiseasesPesticidesSoilSoil Health & Fertility
Fact Sheet
Applying Nitrogen-Rich Strips

A basic explanation of what nitrogen-rich strips are, how to use them and what their benefits are.

CropsFertilizationGrains & OilseedsSoilSoil Health & Fertility
Fact Sheet
What Soil, Forage or Water Test Do You Need?

Descriptions of the soil, forage and water tests from the OSU Soil, Water and Forage Analytical Laboratory team for the agricultural community.

Home & Garden Water IssuesRangeland ManagementSoilSoil TestingWaterWater Quality
Fact Sheet
Background Metal Concentrations in Oklahoma Soils

The different metal concentrations in the soil throughout locations in Oklahoma and how they affect non-carcinogenic residential and industrial properties.

SoilSoil Health & Fertility
Fact Sheet
Oklahoma Agricultural Soil Test Summary 2014-2017

A summary of the 2014-2017 soil tests from all 77 counties in Oklahoma.

SoilSoil Testing
Fact Sheet
Procedures Used by OSU Soil, Water, and Forage Analytical Laboratory

The tests and procedures the Oklahoma State University Soil, Water and Forage Analytical Lab (SWFAL) offer and analysis.

SoilSoil TestingWaterWater & Environmental Issues
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