Consideration of carbon–nitrogen interactions affects CO 2 fertilization: nitrogen limitation means that only about half of the fertilization effect seen in carbon-only models is realized .

In most fields, corn residue remaining after grain harvest is incorporated into the soil with tillage or is left on the soil surface. But corn residue is also becoming a commodity. It’s ...

Tropical forests store approximately 72% of the global forest biomass carbon and contribute about one-third of the global net primary productivity (NPP). The CO 2 fertilization effect, which ...