Nedel, Jorge Luiz, Steven Edward Ullrich, and William Lee Pan. “Nitrogen Use by Standard Height and Semi-Dwarf Barley Isotypes”. Pesquisa Agropecuaria Brasileira 32, no. 2 (February 1, 1997): 147–153. Accessed July 7, 2026. https://apct.sede.embrapa.br/pab/article/view/4618.