Nurturing a successful garden takes a lot of work—and keen observation skills. If you notice your plants are plateauing or aren't growing as well as they could be, you might need to add fertilizer, ...

Discover nitrogen toxicity symptoms in plants and learn how to fix too much nitrogen in soil using simple corrective ...

For generations, corn farmers across the American Midwest have wrestled with a deceptively simple question: How much nitrogen ...

Red alder is a nitrogen-fixing plant species. Photo by Steven Perakis. CORVALLIS, Ore. – A new study indicates that forests, prairies and other natural areas around the globe acquire less nitrogen ...