To make a foliar spray with the high-nitrogen substance, dissolve 1 pound of urea in 1 gallon of water in a bucket. Warm ...

Like nitrates, urea dissolves in and moves with soil water and thus can be lost through leaching if not converted to ammonia and then ammonium. ... Use of these "low-pressure" nitrogen materials ...

WPI Researchers have developed a material to remove urea from water and potentially convert it into hydrogen gas. By building these materials of nickel and cobalt atoms with carefully tailored ...