Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

Lab tour shows how color variations in Midwest soils signal a need for customized nutrient management and seeding strategies.

Purdue Extension - Allen County offers soil testing services to analyze the nutrient levels of your soils. We also help you understand your results and find solutions. Soil testing fees are $20 per ...

The USDA’s Agricultural Research Service (ARS), the University of Nebraska–Lincoln (UNL), and the ARS’s Partnership for Data Innovations (PDI) have launched a new web-based application to facilitate ...