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Effect of Adding Humic Acid And The Spraying of Liquorice and Garlic Extract on Growth and Yield of pepper (Capsicum annuum L.) Planted in Unheated Plastic House Conditions | ||
| Euphrates Journal of Agriculture Science | ||
| Article 1, Volume 7, Issue 1, 2015, Pages 64-72 | ||
| Abstract | ||
| Abstract: This experiment was conducted in plastic house at the College of Agriculture/ Al Qasim Green University in the agricultural season 2010- 2011 this experiment included studying the effect of two factors spraying extract licorice, garlic and the added levels of humic acid (0, 1, 2.3 ml / l). The experiment was used RCBD design within a split plot and three replications. The results showed no significant differences between the extracts of licorice and garlic in the studied characters except leaf area, early yield, the productivity of the plastic house and vitamin C, which exceeds the licorice extract significantly on garlic extract. The results also showed that the addition of humic acid levels had significant effect on all characters except for the nitrates percentage which was not significant, The results of the interaction between the levels of humic acid and type of extract found significant differences in all the studied characters where excelled the treatment of 1 ml humic acid and licorice extract by giving higher rate of plant height 47 cm, weight of the fruit 67.5 g and the percentage of vitamin C, 75 mg / 100 g fresh weight, Also the treatment of 2 ml humic acid and licorice extract was excelled giving the highest ratio of chlorophyll and the number of fruits 65.7 Spade and 9.3 fruit / plant respectively, and the treatment of 3 ml humic acid and licorice extract was achieved highest rate of leaf area 67.7 cm2, early yield 66.9 kg, productivity of the plastic house 736 kg, and the lowest rate of nitrate 92.4 mg / kg fresh weight. The lowest rate of characters studied was in the treatment of comparison and the spraying of garlic extract. | ||
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