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 ...

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 ...

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This publication addresses the sampling of soil and vegetation in terrestrial ecosystems, including agricultural, forest and urban environments, contaminated with radionuclides from events such as ...