“Ph.D.” için 5 makale
The journal of Economic Sciences: Theory and PracticeCilt 2012/2-legacy-922, Sayı 69
Mathematical models are developed to determine optimum grazing scenarios for dryland producers. Model alternatives include wheat, sorghum-sudan, summer perennial grass, and native range. Precipitation risk and price risk are estimated for seasonal production alternatives, and options that reduce both price …
The journal of Economic Sciences: Theory and PracticeCilt 2012/1-legacy-921, Sayı 69
Six irrigation systems are analyzed considering cost and potential water savings. The investment cost of furrow and drip is $115,800 and $260,120, respectively. The cost of quarter mile pivot ranges from $59,000 to $64,000. Per acre-inch variable pumping cost ranges …
The journal of Economic Sciences: Theory and PracticeCilt 2013/1-legacy-923, Sayı 70-legacy-1254
By using the corn demonstrations from a local research, the production functions for corn with respect to total available water (TW), irrigation application and Percentage of Potential Evapotranspiration (PPET) are established to represent the conditions in the Texas Panhandle area. …
The journal of Economic Sciences: Theory and PracticeCilt 2012/1-legacy-921, Sayı 69
Abstract The purpose of the study is to investigate the practical issues to protect and develop competition in transformation countries on the basis of the experience of industrialized countries. The research work applies methods such as a scientific abstraction, system …
The Turkish Online Journal of Distance EducationCilt 2014/15, Sayı 1
Blended learning model combines different advantages of face to face education and elearning to ensure an effective learning environment for students. The purpose of this study was to investigate the impact of traditional and blended instruction, in students´ knowledge in …