Nedel, J. L., Ullrich, S. E., & Pan, W. L. (1996). Effect of seed size and protein content and N application timing on seedling vigor and grain yield of barley. Pesquisa Agropecuaria Brasileira, 31(2), 113–119. https://doi.org/10.1590/S1678-3921.pab1996.v31.4460