Posted 4/8/2008 02:49 (#352482 - in reply to #352456) Subject: Re: ureah with no moisture to take it into the soil
You should lose very little N if the urea is on top of cold, dry soils. The urease enzyme that breaks down urea and releases the N to the atmosphere is much more active on warm, wet soils, plus the evaporation from wet soils will also carry away the urea.