The College of Agriculture discussed a Master's thesis on the effect of spraying with the growth regulator Brassinolide and adding humic acid on growth and mineral content of young sour orange trees, and the awareness of agricultural extension workers in Kirkuk Governorate about their importance in agriculture.
The study presented by student Radi Ahmed Hassan aimed to:
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Improve vegetative growth of nutrients and branches in local sour orange trees in the orchard by spraying Brassinolide growth regulator and adding humic acid at different levels.
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Determine the best levels among the studied factors individually.
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Reach the best combination of factors interactively.
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Determine the awareness of agricultural extension workers in Kirkuk Governorate about the importance of using Brassinolide and adding humic acid to young sour orange trees.
The study concluded that:
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Spraying with growth regulator and adding humic acid led to significant superiority in most studied traits.
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Awareness of agricultural extension workers in Kirkuk Governorate:
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Regarding Brassinolide: Medium to weak, indicating the need to raise awareness about growth regulators.
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Regarding humic acid: Medium to high, meaning they possess knowledge about its importance as organic fertilizer and can convince farmers to use it.
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