With smaller grains, ten lb. of nitrogen as urea can typically be applied with the grain drill at seeding time even under dry conditions. The H2SO4 acid title is sulphuric acid. It's really a hugely corrosive diprotic as it has two acid protons. Basically, it incorporates a sulphate molecule bound https://sulphuric-acid77421.suomiblog.com/urea-46-n-can-be-fun-for-anyone-34821317