Online (PDF) Plant Lice Injurious To Apple Orchards Iii eBook

Language: en
Pages: 556

Authors: Clarence Ritchie Phipps

Categories: Agricultural experiment stations

Type: BOOK - Published: 1920 - Publisher:

Language: en
Pages: 950

Authors: Fred Carlton Stewart

Categories: Aphididae

Type: BOOK - Published: 1917 - Publisher:

Language: en
Pages: 368

Authors: Arthur Jackson Mix

Categories: Agricultural experiment stations

Type: BOOK - Published: 1916 - Publisher:

Language: en
Pages: 18

Authors: Percival John Parrott

Categories: Agriculture

Type: BOOK - Published: 1916 - Publisher:

Language: en
Pages: 1172

Authors:

Categories: Entomology

Type: BOOK - Published: 1922 - Publisher: