Abstract
This investigation was carried out to study the effect of spraying with compost extract and different chelated microelement forms, on the production seed yield, oil production and active substances of fenugreek plants under North Sinai conditions. The results showed that, all treatments recorded a highly significant increase for all studied parameters in both seasons compared with the control treatment. The highest values of all parameters the combining compost extract plus M. E. Humic form. Percentage of increase seed yield was ranged from 30 to 29%, and in fixed oil, the increase reached 131 to 116% in the first and second season, respectively. Also, there was a significant increase in the active substances inside the plant, and found a significant increase when plant treated with compost extract plus M. E. Humic form, where the percentage of increase in mucilage, protein and trigonelline was 128, 68 and 70 % in the first season, while the increase rate was 99, 64, 64% in the second season.
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