Kay, B.D.Mahboubi, A.A.Beauchamp, E.G.Dharmakeerthi, R.S.2014-07-082014-07-082006Soil Science Society of America Journal, 70(4):p.1210-1221https://dl-rri.nsf.gov.lk//handle/1/2300Integrating soil and weather data to describe variability in plant available nitrogenArticle