Abstract
Tomato (Solanum Lycopersicum L.) is an important vegetable crop in Iraq. Experiments have been conducted to compare the effects of foliar and soil surface (drench) applications of silicic acid on tomato under greenhouse conditions. The experiment consisted of treatments with or without silicic acid (AB Yellow) treatments with different concentrations to evaluate the efficacy on growth, yield, and quality parameters of tomato. The results showed that foliar applied and soil drenching of silicic acid in different concentrations (0.5, 1 and 2 ml/L) significantly increased yield and quality attributes compared to control. Silicic acid, applied as foliar spray or as soil drench, as 2 ml/L increased growth and yield significantly.
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