PhD Dissertation at the University of Basrah Investigates the Response of Wheat Varieties to Sowing Dates and Nitrogen Fertilization
A PhD dissertation at the College of Agriculture, University of Basrah examined the response of newly approved wheat varieties to different sowing dates and levels of nitrogen fertilization, as well as their economic feasibility.
The dissertation, submitted by researcher Asil Nazem Abdulwahid Al-Abouda, aimed to evaluate the performance of two newly approved varieties in comparison with a locally cultivated variety, and to determine the optimal sowing date and fertilization level to achieve the highest quantitative and qualitative yield as well as the best economic return.
The results showed the superiority of the Shaimaa variety in growth traits and yield. Early sowing (November 1) produced the best yield, while a fertilization rate of 120 kg H⁻¹ achieved the highest yield and net income, and 240 kg H⁻¹ resulted in the highest protein content.
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