2009-09-162009-09-161987https://hdl.handle.net/10365/6100Crop growth and productivity are the result of many complex physiological-biochemical processes. This article examines the role of plant breeding in altering the genes controlling the important physiological-biochemical processes that determine yield of hard red spring wheat.North Dakota State UniversityEffects of past Breeding Efforts on Productivity Traits of Hard Red Spring WheatArticle