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Field experiments in spraying apple orchards

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By: Pickett, B. S.

Publication info: Urbana, Ill, University of Illinois Agricultural Experiment Station, 1916

Holding Institution: University Library, University of Illinois Urbana Champaign
Field experiments in spraying apple orchards in 1913 and 1914

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By: Pickett, B. S.

Publication info: Urbana, Ill, University of Illinois Agricultural Experiment Station, 1918

Holding Institution: University Library, University of Illinois Urbana Champaign
Four aphids injurious to the apple

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By: Pickett, B. S.

Publication info: Urbana, Ill, University of Illinois Agricultural Experiment Station, 1915

Holding Institution: University Library, University of Illinois Urbana Champaign