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Aphids on tobacco how to control them / F. R. Lawson, F. S. Chamberlin - Washington : Department of Agriculture - 7 p. - EUA. Dep. Agr. Leaflet; 405 .
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Aphids on tobacco how to control them / F. R. Lawson, F. S. Chamberlin - Washington : Department of Agriculture - 7 p. - EUA. Dep. Agr. Leaflet; 405 .
202878
Tabaco -- Plagas Control de plagas