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 ...

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 ...

Last year, more than 24,000 farmers and gardeners requested soil sample testing through MU Extension. This year, the Soil and Plant Testing Laboratory in Mumford Hall is making it simpler and cheaper ...