الفهرس 
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Abstract
Two experiments were carried out during successive late summer seasons of 2013 and 2014 under Spanish-style net-house covered with black shade net 63% at the experimental site of protected cultivation of Faculty of Agriculture, KafrelSheikh University, Egypt. The main objective of this research was to study the effect of foliar and root-applied application of silicon (Si) and compost tea (CT) at different concentrations on growth, yield, fruit quality and leaves minerals contents of cucumber plants (Cucumis sativus L.) Shabah F1.
The results indicated that Si supplements with higher concentrations (foliar 200 mg-l and root-applied, 2000 mg-1) had positive effect on most of vegetative growth parameters, early and marketable yield, fruit quality, leaf macronutrients (N, P and K) and leaf and fruit Si content. Similarly, cucumber plants treated with compost tea as foliar and root-applied compos tea (7.8 and 11.7 ml-1, respectively), increased the most vegetative growth parameters, early and marketable yield, fruit TSS % and chemical leaf content of N, P and K.