Guerra, A. F., da Silva, E. M., & de Azevedo, J. A. (1994). Soil-water tension: a feasible criterion for irrigation timing of wheat in the cerrado region. Pesquisa Agropecuaria Brasileira, 29(4), 631–636. https://doi.org/10.1590/S1678-3921.pab1994.v29.4096