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| Pesticides | 3 |
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| Jennings, Vivan M. | 3 |
| Ryan, Stephen O. | 2 |
| Ryan, Stephan O. | 1 |
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| Guides - General | 3 |
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| Iowa | 2 |
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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
Jennings, Vivan M.; Ryan, Stephan O. – 1976
This manual provides information needed to meet specific standards for certification as a pesticide applicator. The text discusses important right-of-way weeds and unwanted woody plants and provides suggestions for both long- and short-term control. Attention is also given to special problems associated with application of right-of-way herbicides.…
Descriptors: Certification, Environment, Herbicides, Parking Facilities
Jennings, Vivan M.; Ryan, Stephen O. – 1976
This manual provides information needed to meet the standards for pesticide applicator certification. Weeds, their effects, and control in relation to crop production are presented. Pre- and post-emergence treatments are discussed for row crops such as corn and soybeans. Problems with herbicide application to grass pastures, small grains, and…
Descriptors: Agriculture, Certification, Environment, Field Crops
