Silva, Dinarte Aéda da, José Venilson de Araújo, Aderaldo de Souza Silva, and Hans Raj Gheyi. 2014. “Irrigation by Porous Capsule I.Construction of Capsules and Water Release”. Pesquisa Agropecuaria Brasileira 20 (6): 693-98. https://doi.org/10.1590/S1678-3921.pab1985.v20.15726.