Amado, Telmo Jorge C., et al. “Temperature and Moisture Regimes of a Soil With Onion As Affected by Conventional or Strip Tillage Systems”. Pesquisa Agropecuaria Brasileira, vol. 25, no. 4, Apr. 2014, pp. 625-31, doi:10.1590/S1678-3921.pab1990.v25.13474.