Dharmakeerthi, R.S.Kay, B.D.Beauchamp, E.G.2014-07-082014-07-082006Agronomy Journal, 98(2):p.255-264https://dl-rri.nsf.gov.lk//handle/1/2311Spatial variability of in-season nitrogen uptake by corn across a variable landscape as affected by managementArticle