Researchers have evaluated strategies for efficiently estimating soil organic carbon in agricultural fields. Quantifying soil organic carbon stocks in agricultural fields is essential for developing ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

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 ...

This is an affordable, simple first step toward a lawn you'll be proud of.

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 ...

WEST LAFAYETTE, Ind. – Collecting precise soil samples is essential for farmers because a small amount of soil determines the amount of nutrients needed for acres of crops and can determine crop ...

Soil, vegetation and water can be contaminated with natural and artificial radionuclides, including in agricultural, forest and urban environments. How to check and measure such contamination in soil ...

Since the alfalfa in the rest of the field didn’t show any signs of potassium deficiency, I suggested that the farmer take a composite soil sample from just the high areas, which represented about one ...