Demonstrações de processos de combate á saúva.
By: Relatorio da Commissão technica de julgamento.
Publisher: Imprensa Nacional
Published: 1936
Place of publication: Rio de Janeiro
Language: por
Number of pages: 36
Subjects: Insecticides; Fungicides
Notes: At head of title: Ministerio da agricultura. Departmento nacional de producção vegetal. Serviço de defesa sanitaria vegetal.