Does using soil chemical variables in cokriging improve the spatial modelling of the commercial wood volume of Brazilian mahogany in an Amazonian agroforestry system? - Cícero Jorge Fonseca Dolácio; Verônica Satomi Kazama; Rafael Schmitz; Ana Paula Dalla Corte; Luiz Rodolfo Reis Costa; Maria de Nazaré Martins Maciel (Comput. Electron. Agric., 2021)