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Effects of Chemical Fertilizers on Growth and Active Constituents of Echinacea
paradoxa L. Plants
A.A. El-Sayed, A.S. Shalaby, H. El-Hanafy and T.M. Abd
El-Razik
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Effect of Sewage Water Irrigation on Macro Nutrients, Heavy Metals and Frequency
Percentage of Fungi in Soil Cultivated with Woody Trees
M.A. El-Khateeb, A.M. Arafa, A.M. Abd El-Dayem and R.A.
Watfa
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Effect of Some Soil Types and Some Commercial Foliar Fertilizers on Growth,
Flowering, Bulb Productivity and Chemical Composition of Iris Plants