Lança Rodrígues, J.G., C.A. Gamero, J. Costa Fernándes, and J.M. Mirás-Avalos. “Effects of Different Soil Tillage Systems and Coverages on Soybean Crop in the Botucatu Region in Brazil”. Spanish Journal of Agricultural Research 7, no. 1 (March 1, 2009): 173-180. Accessed May 21, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/409.