Your search returned 6 results.

How to detect outbreaks of insects and save the grain crops / by W. R. Walton by

Walton, W. R

Series: EUA. Dept of Agriculture Farmers' bull.; 835

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

The hessian fly and how losses from it can be avoided / by W. R. Walton and C. M. Packard by

Series: EUA. Dep. of Agri. Farmers' bull.; 1627

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

Earthaworms as pests and otherwise / W. R. Walton by

Walton, W. R

Series: EUA. Dept. Agr. Farmers' Bull; 1569

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

The green-bug or spring grain-aphis : how to prevent its periodical outbreaks / W. R. Walton by

Walton, W. R

Series: EUA. Dep. of Agri. Farmers' Bull.; 1217

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

The Hessian fly : and how to prevent losses From it / W. R. Walton by

Walton, W. R

Series: EUA. Dept. of Agriculture Farmers' bull.; 1083

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

The true army worm and its control / by W. R. Walton by

Walton, W. R

Series: EUA. Dept. of Agriculture Farmers bull.; 731

Material type:

Text; Format: print ; Literary form: Not fiction

Publication details: Washington : Department of Agriculture

Availability: Items available for loan: Parasitologia Agricola (1).

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Your search returned 6 results.