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عرض 9621 - 9630 من 10069
# العنوان القسم سنة البحث
9621 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
9622 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9623 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9624 Relative toxicity of insecticides to six-selected strains of the cotton leafworm Spodoptera littoralis (Boisd.) قسم وقاية النبات 1973
9625 Soil aggregates stability as influenced by the application of some acids and gypsum to cotton قسم الاراضى والمياه 1973
9626 Stable soil aggregates as affected by some chemical treatments in the field قسم الاراضى والمياه 1973
9627 Temperature as factor affecting the stability of aggregates in the soil قسم الاراضى والمياه 1973
9628 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
9629 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
9630 The form of nitrogen fertilizers and its influence on soil aggregate stability قسم الاراضى والمياه 1973