Suggested Topics within your search.
Suggested Topics within your search.
- Diseases and pests 31
- Maladies et fléaux 21
- Agriculture 16
- Control 15
- Agricultural extension work 11
- Vulgarisation 10
- Agricultural experiment stations 9
- Lutte contre 9
- Stations agronomiques 8
- Diseases 7
- Wheat 7
- Classement 6
- Grading 6
- Protection 6
- Améliorations foncières 5
- Associations 5
- Coton 5
- Cotton 5
- Reclamation of land 5
- Study and teaching 5
- Barberries 4
- Bees 4
- Blé 4
- Boll weevil 4
- Forest reserves 4
- Home demonstration work 4
- Pomme de terre 4
- Potatoes 4
- Prevention 4
- Anthonome du cotonnier 3
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Barberry eradication prevents black rust in Western Europe /
Published 1923Government Document Book -
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Status and results of boys' and girls' club work : northern and western states, 1920 /
Published 1921Government Document Book -
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The work of the Huntley Reclamation Project Experiment Farm in 1921 /
Published 1923Government Document Book -
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Preliminary report on control of San Jose scale with lubricating-oil emulsion /
Published 1923Government Document Book -
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Length of the dormancy period of the sugar-beet nematode in Utah /
Published 1923Government Document Book -
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Federal legislation, regulations, and rulings affecting land-grant colleges and experiment stations /
Published 1923Government Document Book -
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Homemade apple and citrus pectin extracts and their use in jelly making /
Published 1923Government Document Book -
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Turpentine and rosin : distribution of the world's production, trade, and consumption /
Published 1923Government Document Book -
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Status and results of home demonstration work : northern and western states, 1921 /
Published 1923Government Document Book