4. Can you use urea as an N source—replace some of the spring N in corn? Ferrie says this is a question he has been fielding frequently in central Illinois as some farmers are finding ...

A more startling claim made by IFFCO/NBRC is that a 500-ml bottle of nano-urea is equivalent to a 45-kg bag of conventional urea. The latter contains 46 percent N nutrient, or 20 kg (45x0.46). In ...

Fertilizers common to crop production in Indiana usually contain nitrogen in one or more of the following forms: nitrate, ammonia, ammonium or urea. Each form has specific properties that determine ...