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# عنوان البحث سنة البحث
1281 Toxicity of some compounds against an aphidivorous coccinelid from the New Valley Governorate 1981
1282 Toxicity of some compounds against an aphidivorous coccinellid (Coccinella septempunctata L.; Coleoptera; Coccinellidae) from the New Valley Governorate 1981
1283 Toxicity of some compounds against an aphidivorous coccinellid (Coccinella septempunctata L.; Coleoptera; Coccinellidae) from the New Valley Governorate 1981
1284 Toxicity of some compounds against an aphidivorous coccinellid (Coccinella septempunctata L.; Coleoptera; Coccinellidae) from the New Valley Governorate 1981
1285 تدفق أيونات النيترات والكبريتات والفوسفات من وإلى جذور نبات ياسنت الماء تحت ظروف نقص الجهد المائي 1981
1286 A tentative survey on the entomophagus insects recovered from wheat field in Upper Egypt 1980
1287 A tentative survey on the entomophagus insects recovered from wheat field in Upper Egypt 1980
1288 Bionomic of the Egyptian alfalfa weevil, Hypera brunneipennis (Boheman), with notes on its seasonal activity in Upper Egypt 1980
1289 Effect of certain physical factors and natural enemies on the cereal aphids, Schiraphis graminum (Rond.) and Rhopalosiphum maidis (Fitch.) 1980
1290 Effect of certain physical factors and natural enemies on the cereal aphids, Schizaphis graminum (Rond. ) and Rhopalosiphum maidis (Fitch.) 1980