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 ...

Earth’s soil contains large stocks of carbon — even more carbon than in the atmosphere. A significant portion of this soil carbon is in organic form (carbon bound to carbon), called soil organic ...

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 ...

When observing unexplained stunting, wilting, or death in crops. When planting into a field with a history of nematodes. In areas with prior poor performance. In fall when nematode populations should ...

The precision agriculture industry hasn’t done a great job articulating the value of site-specific soil testing, which has led to frustration from farmers, who aren’t sure how to use what they learn ...

Mike Naig is Iowa secretary of agriculture. With input costs high and grain prices low, farmers are feeling the squeeze in this tough ag economy. For farmers looking to save money and embrace ...