Scientists and engineers have devised a new method for making urea that is more environmentally friendly than today's process and produces enough to be competitive with energy-intensive industrial ...

A low-cost source of this chemical would help farmers and those who rely on diesel engines. Urea, originally a byproduct of human urine, is a critical chemical found in everything from fertilizers to ...

This is a preview. Log in through your library . Abstract The use of a closed system to measure the loss of nitrogen by volatilisation from urea applied to soil has resulted in very high values. The ...