OMAHA (DTN) -- There is a lot of talk about carbon footprints in industry, manufacturing and farming. With concerns over greenhouse gas emissions and global warming, we have to be aware of our carbon footprint and make an effort to reduce it.
The question is, do I use more carbon in my farming operation from field activities, transportation costs and inputs purchased than the carbon I put back in the soil?
Crops, especially high biomass crops like corn or perennial switchgrass, capture a lot of carbon from the atmosphere. Soil experts call this carbon sequestration.
Historically, agriculture's carbon budget has ...