1. Nitrogen fertilization timing effect on wheat production, nitrogen uptake efficiency, and residual soil nitrogen;Alcoz;Agron. J.,1993
2. Analytical Software, 2000. Statistix 7.0.
3. Nitrogen fertilizer effect on bread-making quality of hard red spring wheat in eastern Canada;Ayoub;Crop. Sci.,1994
4. Protein concentration of grain in relation to some weather and soil factors during 17 years of English winter-wheat experiments;Benzian;J. Sci. Food. Agric.,1986
5. Bhatia, C.R., Rabson, R., 1987. Relationship of grain yield and nutritional quality. In: Olson, R.A., Frey, K.J. (Eds.), Nutritional Quality of Cereal Grains: Genetic and Agronomic Improvement, No. 28. American Society of Agronomy, Inc., Madison, WI, USA, pp. 111–143.