Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...

Salts are compounds formed when positively charged cations such as sodium (Na⁺), calcium (Ca²⁺), magnesium (Mg²⁺) and potassium (K⁺) combine with negatively ...

Our soils are in trouble. Over the past century, we’ve abused them with plowing, tilling and too much fertilizer. What many think of as “just dirt” is actually an incredibly complex mixture of ...

A new study reveals that a specially engineered form of biochar can dramatically enhance the natural ability of soil microbes to break down pollutants in rice paddies, offering a promising strategy ...