Sarkodie-Addo J, Baggs E, Lee H. Transformation in soil and availability to plants of 15N applied as inorganic fertilizer and grass residue. JUST [Internet]. 2016Feb.15 [cited 2024Jul.16];26(2). Available from: https://webapps.knust.edu.gh/just/index.php?journal=just&page=article&op=view&path[]=702