Experts explain slowing ocean currents

For decades, oceanographers have been measuring the Atlantic Meridional Overturning Circulation (AMOC), a large system of ocean currents that greatly influence Earth's climate. In recent years, the data show it is weakening. ...

Cover crops can lower yields, according to new study

The promise for American agriculture is tantalizing: healthier soil, more carbon kept in the ground, less fertilizer runoff, and less need for chemicals. The reality of planting cover crops during the off-season—a much-touted ...

Using spray drones in agriculture

It's a familiar sight for many—a ground sprayer slowly making rounds in a field, applying pesticides to row crops to give producers the best chance of protecting crops from pests and seeing high yields at harvest. These ...

How farmers could fertilize more efficiently

Nitrous oxide is a powerful greenhouse gas. Its global warming potential can be up to 300 times that of CO2 over a 100-year period. Globally, more than half of man-made nitrogen oxide emissions come from agriculture. A reduction ...

page 7 from 40