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عرض 9581 - 9590 من 10062
# العنوان القسم سنة البحث
9581 Histopathological effect of insecticides on the honey bee Apis mellifera L. قسم وقاية النبات 1973
9582 Histopathological effect of insecticides on the honey bee Apis mellifera L. قسم وقاية النبات 1973
9583 Laboratory studies on the development of resistance in cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9584 Laboratory studies on the development of resistance in cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9585 Laboratory studies on the development of resistance in cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9586 Level of available phosphorous in the clay soil of Assiut as effected by different crops. Chemical treatment, green manuring Cultivation and rotation قسم الاراضى والمياه 1973
9587 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9588 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9589 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9590 Soil aggregates stability as influenced by the application of some acids and gypsum to cotton قسم الاراضى والمياه 1973