共 50 条
- [42] Evaluation of neem EC formulations containing azadirachtin for forest insect pest management in Canada AZADIRACHTA INDICA A. JUSS., 1999, : 79 - 89
- [45] FORESTRY RESEARCH PRIORITIES IN CANADA, 1992 - AN OVERVIEW FOR THE CANADIAN-COUNCIL-OF-FOREST-MINISTERS FORESTRY CHRONICLE, 1992, 68 (06): : 752 - 756
- [46] 1981 ACTIVITY ON IMPROVED FOREST MANAGEMENT IN CANADA - A REPORT TO THE CANADIAN-INSTITUTE-OF-FORESTRY FORESTRY CHRONICLE, 1982, 58 (03): : 126 - 130
- [47] Research on prediction about fruit tree diseases and insect pests based on neural network Artificial Intelligence Applications and Innovations II, 2005, 187 : 731 - 740