Annes Tomasini, Roque Gilberto. “Evolution of Wheat Productivity under Experimental Trials and Field Conditions in Three Counties in the State of Rio Grande Do Sul”. Pesquisa Agropecuaria Brasileira 33, no. 14 (December 1, 1998): 515–520. Accessed November 19, 2025. https://apct.sede.embrapa.br/pab/article/view/5078.