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| 公开/私有: | 公开 私有 |
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- agriculture (2)
- control (2)
- economic aspects (2)
- management (2)
- national parks and reserves (2)
- 植物 (2)
- 肝臓病 (2)
- 脳髄 (2)
- aquaculture (1)
- arthropod pests (1)
- biodiversity conservation (1)
- case studies (1)
- deforestation (1)
- diseases and pests (1)
- drug therapy (1)
- farm tractors (1)
- handbooks, manuals, etc (1)
- insect pests (1)
- insects, injurious and beneficial (1)
- land use, rural (1)
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著者:
J. E. Roberts.
出版社:
Virginia Polytechnic Institute and State University,
出版日期: 1975.
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