Tetrastichus Brevistigma Gahan
| Title | Tetrastichus Brevistigma Gahan PDF eBook |
| Author | Paul A. Berry |
| Publisher | |
| Pages | 12 |
| Release | 1938 |
| Genre | Elm |
| ISBN |
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Tetrastichus Brevistigma Gahan
| Title | Tetrastichus Brevistigma Gahan PDF eBook |
| Author | Albert Ronald Merz |
| Publisher | |
| Pages | 786 |
| Release | 1939 |
| Genre | Agricultural experiment stations |
| ISBN |
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Agriculture Monograph
| Title | Agriculture Monograph PDF eBook |
| Author | United States. Department of Agriculture |
| Publisher | |
| Pages | 1436 |
| Release | 1951 |
| Genre | Agriculture |
| ISBN |
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Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ...
| Title | Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ... PDF eBook |
| Author | United States. Superintendent of Documents |
| Publisher | |
| Pages | 3208 |
| Release | |
| Genre | Government publications |
| ISBN |
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Handbook of Biological Control
| Title | Handbook of Biological Control PDF eBook |
| Author | T. W. Fisher |
| Publisher | Elsevier |
| Pages | 1073 |
| Release | 1999-09-20 |
| Genre | Science |
| ISBN | 0080533019 |
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For many years the use of chemical agents such as pesticides and herbicides has been effective in controlling the many varieties of pests that infest both agricultural crops and backyard gardens. However, these pests are gradually becoming resistant to these agents, because the agents themselves are acting as selective factors making the pests better and better able to resist and persist. As a result, the use of biological controlling agents is increasing. This book is a comprehensive and authoritative handbook of biological control.
Interagency Coordination in Environmental Hazards (pesticides)
| Title | Interagency Coordination in Environmental Hazards (pesticides) PDF eBook |
| Author | United States. Congress. Senate. Committee on Government Operations |
| Publisher | |
| Pages | 1998 |
| Release | 1964 |
| Genre | Pesticides |
| ISBN |
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ARS.
| Title | ARS. PDF eBook |
| Author | |
| Publisher | |
| Pages | 382 |
| Release | 1961 |
| Genre | Agriculture |
| ISBN |
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