The purpose of this fact sheet is to explain the general concept of soil pH and Buffer Index and to show how these soil test values are used in making ...

Learn about how soil acidity can be a problem for plant growth in much of Oklahoma but is most prevalent in central and eastern OK.

This handbook includes information about soil problems, fertilizer, soil research, precision nutrient management and much more.

Results from a soil test allow you to monitor soil chemical conditions, tap existing nutrient supplies, identify nutrient deficiencies, and apply optimum ...

... url="https://extension.okstate.edu/fact-sheets ... Adding inorganic nutrients (chemical fertilizer) increases soil ... Soils, an Introduction to Soils and Plant ...

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

A general summary of soil organic matter and the traits that control build-up.

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

The following tables include soil test interpretations for nitrogen (N), phosphorus (P), and potassium (K) the three most commonly deficient plant nutrients ...

Understand soil compaction, the different forms of compaction and how to classify them, prevention methods and compaction remediation methods.