Humanity has an insatiable appetite for ammonia: This substance is used to make fertilizer, which in turn is used in most modern agriculture. Until now, the Haber-Bosch process has been the method of ...

This experiment set out to recreate a historical process for producing saltpeter (potassium nitrate) by leaching and concentrating nitrates from decomposed chicken manure. By documenting the ...

Manure is a valuable nutrient resource. Learn how to manage application timing and neighbor relations this summer.

Factory farming for meat production is harmful to the environment. In addition to its direct emissions of methane, its use of liquid manure releases climate-damaging nitrogen compounds such as ammonia ...