Cultivo de los trigos en el Ecuador; el mal y su remedio
Subtitle: el abono químico trigol, 1929, 1939, 1959
By: [por] Guillermo Arellano J.
Publisher: [Editorial "Santo Domingo,"
Published: 1961
Place of publication: Quito
Language: spa
Number of pages: 142
Subjects: Wheat -- Ecuador.; Wheat -- Fertilizers.; Flour -- Analysis.