John Bernhard Smith, New Jersey State Entomologist 1895-1911
Showing posts with label
IPM
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Showing posts with label
IPM
.
Show all posts
Tuesday, February 12, 2013
1891 Farm Practice and Fertilizers to Control Insect Injury.
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1899 The Role of Insects in the Forest.
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Friday, February 8, 2013
1908 Insecticide Materials and their Applications
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1903 Insecticides and their use.
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1899 Crude Petroleum as an Insecticide
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Tuesday, February 5, 2013
1891 Farm Practice and Fertilizers to Control Insect Injury.
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