Author name:
ريم عبد الرزاق حسوبي الزبيدي
Supervisor name:
اسماعيل داود سليمان العامري
Abstract:
تهدف الدراسة الى ابراز اثر عناصر المناخ في انتاجية المحاصيل الاستراتيجية في قضاء الخالص، ومن هنا انطلقت مشكلة البحث (هل لعناصر المناخ تاثير في انتاجية محاصيل القمح والشعير والذرة الصفراء في قضاء الخالص) عبر فرضية البحث (لعناصر المناخ تاثير سلبي احيانا واي | This study aims to show effect of climate elements on productivity of strategic crops in Al - Khalis Qada'a and from this study , problem of research appeared ( Are climate elements have effect on productivity of wheat, barley and yellow corn in Al - Khalis Qada'a ) through hypothesis of research ( climate elements have sometimes negative effect and other times positive effect on productivity the under - studied crops) , study depended on Al - Khalis Station data for period ( 1991 - 2013) , Khaniqeen and Samara'a ( 1983 - 2013) because they are the nearest for study area , study included four chapters as well as results and recommendations.Qada'a Al - Khalis has many natural vitals represented by geological structure and difference in surface forms in addition to climate features , soil variety and available of water resources that made Al - Qada'a region useful for farming and productivity agricultural crops. The climate requirements determined for the under - studied crops from ( water, light and heat requirements , winds and relative humidity ) through development stages for each crops and then comparing these requirements by availability of climate vials in the region of study to know rang of corresponding or un corresponding for each element of climate elements during agricultural season. Then , evaporation / generating process conducted according to Bnman Monteeth scale during season development the under - studied crops and Bnman Monteeth equation used in determining water consumption and technology for crops and estimating climate water balance , study have been shown that trend of evaporation value / generating towards increasing in both Khalis and Samara'a stations or towards declining in Khaniqeen Station, and trend of water consumption (evaporation /generating losses ) for the under - studied crops towards increasing in Khalis and Samara'a stations while declining in Khaniqeen station which reflected on increasing water technology and water deficit in both Khalis and Samara'a stations and declining in Khaniqeen Station. The study also have been shown that trend of productivity the under - studied crops towards increasing in the region of study during period (1992 - 2013) and quantitive method used in limiting relation among water consumption ( evaporation / generating losses), productivity of crops as an independent variable (Y) and climate elements as a variable follow (X1….. X8) and this was the result. As for water consumption : - the statistical analysis proved existence a strong relation with high sign between water consumption ( evaporation /generating losses ) for crops of wheat , barley and yellow corn for three monitoring stations (Al - Khalis - Khaniqeen - Samara'a) and the independent variables ( ordinary heat average, great heat, low heat, relative humidity , solar lightening , wind speed, active rains ) , these variables depended on several tests ( S - E , t - test , F - test ) by truth degree (99%) for three monitoring stations , and value of limiting coefficient (R2) for stations of monitoring (AL - khalis 97% , Khaniqeen 93% , Samara'a 94 % ) as for both crops wheat and barley , while corn crop , its value of limiting coefficient ( R2) for three monitoring stations (97%) and (3%) due to factors could not limited. As for productivity of crops and independent variables : - (evaporation / generating process, ordinary heat, Great heat , low heat, relative humidity, solar lightening, wind speed, active rains) , the statistical results for Khalis station have been shown that value of relation among in dependant variables and wheat productivity is (0,33%) , barley productivity ( 0, 22%) and corn productivity (0,31) and rest of variables due to numbers of factors most important are (irrigation methods , soil fertility , fertilization process, maintenance means (diseases and insects ), type of used seeds, human factor (labor hands - machines - tools - harvesting ).For Khaniqeen station , the statistical results have been shown that value of relation among independent variables and wheat productivity ( 0,62% ) and barley productivity ( 0,93) and corn productivity ( 0, 41) and the rest of variables due to the previous mentioned factors.While for Samara'a station , the statistical results have been shown that value of relation among independent variables and wheat productivity is (0,49%) and barley productivity (0, 26%) and corn productivity (0,31%) and rest of variables due to previous mentioned factors
