León Ruiz J, Montalvo Arquiñigo N, Paula Alarcón P. Determination of the crop coefficient and biometric parameters based on images captured with drone, drainage lysimeters and indirect methods for the cultivation of potato solanum spp. Rev. Inst. investig. Fac. minas metal cienc. geogr. 2016;19(37). doi:10.15381/iigeo.v19i37.12971