Ernst, O., and O. Bentancur. “Effect of Sub-Surface Tillage and Chemical Fballow Management on Soil N-NO₃- Disponibiloity and Yield of No-till Corn Planted on Grazed Oats”. Agrociencia Uruguay 8, no. 1 (June 1, 2004): 29–40. Accessed October 17, 2025. https://agrocienciauruguay.uy/index.php/agrociencia/article/view/1026.