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| Jennings, Vivan M. | 1 |
| Ryan, Stephen O. | 1 |
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| Guides - General | 1 |
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| Iowa | 1 |
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Jennings, Vivan M.; Ryan, Stephen O. – 1976
This manual provides information needed to meet specific standards for certification as a pesticide applicator. The text is concerned with the control of aquatic weeds in a variety of water use situations, i.e. static water, limited-flow impoundments and moving water. Also discussed are the principles of limited area application such as surface or…
Descriptors: Certification, Environment, Herbicides, Pesticides
