| 1281 |
Effect of certain physical factors and natural enemies on the cereal aphids, Schizaphis graminum (Rond. ) and Rhopalosiphum maidis (Fitch.) |
1980 |
| 1282 |
Effect of cobalt chloride and/or vitamin C on brood rearing |
1980 |
| 1283 |
Effect of cobalt chloride and/or vitamin C on brood rearing |
1980 |
| 1284 |
Effect of cobalt chloride and/or vitamin C on brood rearing |
1980 |
| 1285 |
Effect of cobalt chloride and/or vitamin C on brood rearing |
1980 |
| 1286 |
Effect of cobalt chloride and/or Vitamin C on brood rearing activity of honey bee colonies |
1980 |
| 1287 |
Effect of cobalt chloride and/or Vitamin C on brood rearing activity of honey bee colonies |
1980 |
| 1288 |
Effect of cobalt chloride and/or Vitamin C on brood rearing activity of honey bee colonies |
1980 |
| 1289 |
Effect of cobalt chloride and/or Vitamin C on brood rearing activity of honey bee colonies |
1980 |
| 1290 |
Effect of cobalt chloride and/or vitamin C on brood rearing activity of honeybee colonies |
1980 |
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