If you’ve ever dug your hands into fresh earth and felt its cool, crumbly texture, you might have noticed the subtle, earthy ...

Farmers apply nitrogen fertilizers to crops to boost yields, feeding more people and livestock. But when there's more ...

Nitrogen surrounds us, but understanding how it can be both a friend in agriculture and a foe in water was among the ...

Since nitrous oxide is emitted into the air when there is excess nitrogen in the ground, keeping plants growing year-round ...