Lange, A.; Cabezas, W. A. R. L.; Trivelin, P. C. O. Recovery of Nitrogen from Ammonium Sulfate and Nitrate by Corn Crop in No-Tillage System. PAB 2008, 43 (1), 123-130. https://doi.org/10.1590/S1678-3921.pab2008.v43.7968.