The wheat joint worm and its control /
Phillips, W. J.
The wheat joint worm and its control / W. J. Phillips - Washington : Department of Agriculture - 14 p. - EUA. Dept. of Agriculture Farmers' bull.; 1918 .
203830
Harmolita tritici Control de plagas Trigo -- Plagas
The wheat joint worm and its control / W. J. Phillips - Washington : Department of Agriculture - 14 p. - EUA. Dept. of Agriculture Farmers' bull.; 1918 .
203830
Harmolita tritici Control de plagas Trigo -- Plagas