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عرض 9641 - 9650 من 10089
# العنوان القسم سنة البحث
9641 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
9642 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9643 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9644 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9645 Soil aggregates stability as influenced by the application of some acids and gypsum to cotton قسم الاراضى والمياه 1973
9646 Stable soil aggregates as affected by some chemical treatments in the field قسم الاراضى والمياه 1973
9647 Temperature as factor affecting the stability of aggregates in the soil قسم الاراضى والمياه 1973
9648 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
9649 The effect of the rate of application nitrogen and phosphorous on the stability of soil aggregates in onion field at Assiut area قسم الاراضى والمياه 1973
9650 The form of nitrogen fertilizers and its influence on soil aggregate stability قسم الاراضى والمياه 1973