Seasonal Yield Response Factor for Red Bombay Onion (Allium cepa L.) Variety in Arba Minch, Ethiopia

Background: For better water resources management in the areas of shortage for crop production, deficit irrigation is very important. The understanding yield response factor to crucial efficient management. Deficit studying factors always practiced way stressing demand crops. present study was done determination seasonal red Bombay onion variety under Arba Minch agro climate condition. Furthermore, it also examined effect furrow systems on factor. Methods: experiment conducted from August November 2019. had six treatments, which were combination two and three levels. Data collected soil moisture before after each bulb yield. determined through simple linear regressions using SPSS software. Result: When considering system as a factor, alternate 1.18 while paired row 1.07. This clearly shows more sensitive stress alternative than systems. Therefore, area system. wall agro-ecological condition 1.12. agroclimate stress.