An Iowa farmer’s use of an anaerobic digester is improving soil health and reducing fertilizer needs, with a new Iowa State ...

Human waste is processed into biosolids at a wastewater treatment facility in Eugene, Ore. A bill in the Oregon legislature has passed out of a key committee to fund research into the levels of ...

Growing global demand for sustainable agriculture is driving scientists to find smarter ways to handle livestock waste. A new ...

Nitrogen fertilizers are applied to crops to increase yield, but some of that nitrogen is lost to the atmosphere in the form of ammonia. Ammonia is a major air pollutant linked to numerous health ...

Antibiotic resistance is one of the most pressing global health challenges, and farms that use livestock manure as fertilizer ...

Lanthanides are a class of rare earth elements that in many countries are added to fertilizer as micronutrients to stimulate plant growth. But little is known about how they are absorbed by plants or ...

A new study takes a look at the nitrogen load in tile drainage water and how it affects water sources. Midwestern soils are among the most productive in the world, thanks in part to extensive tile ...

How to understand the E.P.A.’s new warning about PFAS levels in sewage sludge. By Hiroko Tabuchi (Editors note: We are continuing to cover the Los Angeles fires. Scroll down for more on the latest.) ...

URBANA, Ill. – Smallholder farmers in Sub-Saharan Africa tend to use very small amounts of fertilizer, limiting their crop productivity. A 2016 intervention in Tanzania increased farmers’ fertilizer ...