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# العنوان القسم سنة البحث
9641 Laboratory studies on the development of resistance in cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9642 Laboratory studies on the development of resistance in cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9643 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
9644 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9645 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9646 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9647 Soil aggregates stability as influenced by the application of some acids and gypsum to cotton قسم الاراضى والمياه 1973
9648 Stable soil aggregates as affected by some chemical treatments in the field قسم الاراضى والمياه 1973
9649 Temperature as factor affecting the stability of aggregates in the soil قسم الاراضى والمياه 1973
9650 The effect of soil texture, time, different levels of organic matter and gypsum on the stability of soil aggregates in Assiut قسم الاراضى والمياه 1973