احمدی، م. کاظمی، م. و ح. صباحی. (1379) بررسی اثر زمانهای مختلف محلولپاشی اوره بر عملکرد، اجزای عملکرد و درصد پروتئین گندم آبی تجن. چکیده مقالات ششمین کنگره زراعت و اصلاح نباتات ایران، 447 صفحه.
امامی، ع. (1375) روشهای تجزیه گیاه. جلد اول، نشریه فنی شماره 982، مؤسسه تحقیقات خاک و آب، تهران، ایران.
برجیان، ع.ر. و ی. امام. (1379) اثر محلولپاشی اوره پیش از گلدهی بر عملکرد، اجزای عملکرد و درصد پروتئین دانه دو رقم گندم (Triticum aestivum L.). مجله علوم زراعی ایران، جلد 2، شماره 1: ص 23ـ29.
پوستینی، ک.، ع. سی و سه مرده، م. زواره و ش. مداح حسینی. (1384) عملکرد گیاهان زراعی (فیزیولوژی و فرایندها). انتشارات دانشگاه تهران. 632 صفحه.
خلیلی، ص. (1387) بررسی تأثیر سطوح نیتروژن، تنش کمبود آب در مراحل مختلف رشد و محلولپاشی اوره بر عملکرد و اجزای عملکرد برنج. پایاننامه کارشناسی ارشد، دانشکده کشاورزی دانشگاه زنجان.
رحیم سروش، ح. ربیعی، ب. نحوی، م. و قدسی، م. (1386) مطالعه برخی ویژگیهای مورفولوژیکی و کیفی و پایداری عملکرد ژنوتیپهای برنح. پژوهش و سازندگی، جلد 75: ص 25-32.
فلاح، ف. (1384) بررسی تأثیر تقسیط ازت و محلولپاشی کود نیتروژنه بر روی عملکرد، اجزای عملکرد ارقام طارم محلی و شفق. پایاننامه کارشناسی ارشد، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات.
کوچکی، ع.، م.ح. راشد محصل، م. نصیری محلاتی و ر. صدر آبادی. (1377) مبانی فیزیولوژیکی رشد و نمو گیاهان زراعی. (ترجمه). انتشارات آستان قدس رضوی.
محیطی، م. (1387) مقایسه کارایی مصرف خاکی و محلولپاشی پتاسیم بر عملکرد و اجزای عملکرد گیاه برنج در شرایط شوری. پایاننامه کارشناسی ارشد، دانشکده کشاورزی دانشگاه آزاد اسلامی (واحد کرج).
Abou El-Nour, A.A. (2002). Can Supplemented Potassium Foliar Feeding Reduce the Recommended Soil Potassium? Pakistan Journal of Biological Sciences, 5(3): 259-262.
Alcoz, M.M., Hons, F.M., and Haby, V.A. (1993). Nitrogen fertilization timing effect on wheat production, nitrogen uptake efficiency, and residual soil nitrogen. Agronomy Journal, 85:1198-1203.
Alfred, E.H., Johnston, M. O’Sullivanc J.N. and Polomad, S. (2000). Nitrogen use efficiency of taro and sweet potato in the humid lowlands of Papua New Guinea. Agriculture, Ecosystems and Environment, 79: 271-280.
Arif, M., Chohan, M.A., Ali, S., Gul, R. and Khan, S. (2006). Response of wheat to foliar application of nutrients. Journal of Agricultural and Biological Science, 1: 30-34.
Balasubramanian, V.T. (2003). Hybrid rice: development, fertilizer management and impact on fertilizer consumption in Asia (present and forecasts). IRRI - International Rice Research Institute, Philippines. IFA Regional Conference for Asia and the Pacific. Cheju Island, Republic of Korea, 6-8 October.
Balasubramanian, V., Morales, A.C., Cruz, R.T., Thiyagarajan, T.M., Nagarajan, R., Babu, M., Abdulrachman, S. and Hai, L.H. (2000). Adaptation of the chlorophyll meter (SPAD) technology for real-time N management in rice: a review. I International Rice Research, 25(1): 4-8.
Bly, A.G. and Woodard, H.J. (2003). Foliar nitrogen application timing influence on grain yield and protein concentration of hard red winter and spring wheat. Agronomy Journal, 95: 335-338.
Craswell, E.T. and Godwin, D.C. (1984). The efficiency of nitrogen fertilizer applied to cereals in different climates. Journal of Plant Nutrition, 1: 1-55.
De Datta, S.K. and Gumez K.A. (1990). Changes in phosphorus and potassium response in wetland rice soils in south and South-East Asia. International Rice Research Institute. Los Banos, Philippines.
Dobermann, A. and Fairhurst, T. (2000). Rice: Nutrient disorders & nutrient management. Handbook series. Potash asd Phosphate Institute (PPI), Potash and Phosphate Institute of Canada (PPIC) and International Rice Research Institute. pp:191.
Dobermann, A., Witt, C., Abdulrachman, S., Gines, H.C., Nagarajan, R., Son, T.T., Tan, P.S., Wang, G.H., Chien, N.V. Thoa, V.T.K., Phung, C.V., Stalin, P., Muthukrishnan, P., Ravi. V., Babu, M., Simbahan, G.C., Adviento, M.A. and Bartolome, V. (2003). Estimating indigenous nutrient supplies for site-specific nutrient management in irrigated rice. Agronomy Journal, 95: 924-935.
Eagle, A.J., Bird J.A., Horwath, W.R., Lindquist, B.A., Brouder, S.M., Hill, J.E. and van Kessel, C. (2000). Rice yield and nitrogen efficiency under alternative straw management practices. Agronomy Journal, 92:1096– 1103.
Fageria, N.K. (1992). Maximizing crop yield. CRC Press. 288p.
Finck, A. (1982). Fertilizers and fertilization. Verlag Chimie GmbH, Weinheim, Germany.
Fowler, B.D., Brydon, J. and Baker, R.J. (1989). Nitrogen fertilization of no till winter wheat and rye. II: Influence of grain protein. Agronomy Journal, 81: 72-77.
Gooding, M.J. (2005). Foliar urea fertilization and the management of yield and quality in wheat. Int. Fert. Soc. Proc. 573. http://www.fertilizer-society.org /Proceedings/US/Prc 573. HTM.
Harmsen, K. (1984). Nitrogen fertilizer use in rainfed agriculture. Fertilizer Research, 5: 371-382.
Heithold, J.J., Croy, L.I., Maness, N.O., and Nguyen, H.T. (1990). Nitrogen partitioning in genotypes of winter wheat deffering in grain N concentration. Field Crops Research, 23: 133.
International Rice Research Institute. (1988). Growth Stages of the Rice Plant. Rice Production training Module. Second Edition. pp: 42.
Jayaraj, T. and Chandrasekharan, B. (1997). Foliar fertilization to enhance seed yield and quality in rice. Seed Research, 25: 50-52.
Jiang, Z. and Hull, R.J. (1998). Interrelationships of nitrate uptake, nitrate reductase, and nitrogen use efficiency in Selected Kentucky Bluegrass Cultivars. Crop Science, 38: 1623-1632.
Kibite, S. and Evans, L.E. (1984). Causes of negative correlations between grain yield and grain protein concentration in common wheat. Euphytica, 33: 801-810.
Lestari, A.P., Abdollah, B., Junaedi, A. and Aswidinnoor, H. (2010). Yield stability and adaptability of aromatic new plant type (NPT) rice Lines. Indonesian Journal of Agronomy, 38(3): 199-204.
Loffer, C.M., Rauch, T.L. and Busch, R.H. (1985). Grain and plant protein relationships in hard red spring wheat. Crop Science, 25:521.
Longping, Y. (2004). Hybrid rice for food security in the world. FAO Rice Conference Rome, Italy. 12-13.
Maitlo, A., Hassan, Z.U., Shah, A.N. and Khan, H. (2006). Growth, yield and nutrient uptake of wheat (Triticum aestivum L.) in relation to foliar and soil application of urea. Agricultural Research Institute, Tandojam, Sindh, Pak. 4: 477-481.
Narang, R.S., Mahal, S.S., Seema, B., Gosal, K.S. and Bedi, S. (1997): Response of rice and wheat to K-fertilization under maximum yield research strategies. Journals in Environmental Economics, 15, 474-477.
Norman, R.J., Guindo, D., Wells, B.R. and Wilson, G.E. (1992). Seasonal accumulation and partitioning of nitrogen-15 in rice. Soil Science Society of America Journal, 56: 1521-1529.
Pandy, S. (2008). The true price of rice. IRRI program leader, Rice Policy and Impact. January-March 2008.
Raun, W.R. and Johnson, G.V. (2008). Improving Nitrogen Use Efficiency for Cereal Production. Agronomy Journal, 91: 357-363.
Samonte, S.O.P.B., Wilson, L.T., Medley, J.C., Pinson, S.R.M., McClung A.M. and Lales, J.S. (2006). Nitrogen uitilzation efficiency: relationships with grain yield, grain protein and yield-related traits in rice. Agronomy Journal, 98: 168-176.
SAS Institute (2002). SAS/STAT user’s Guide, Release G. 12. SAS Institute Cary. North Carolina. USA.
Sharief, A.E., El-Kalla, S.E., El-Kassaby, A.T. Ghonema, M.H. and Abdo, G.M.Q. (2006). Effect of bio-chemical fertilization and times of nutrient foliar application growth, yield and yield components of rice. Journal of Agronomy, 5: 212-219.
Simmonds, N.W. (1996). Yields of cereal grain and protein. Experimental Agriculture, 32: 351-356.
Sinebo, W., Gretzmacher, R. and Edelbauer, A. (2004). Genotypic variation for nitrogen use efficiency in Ethiopian barley. Field Crops Research, 85: 43-60.
Strong, W.M. (1986). Effect of nitrogen application befor sowing, compared with effect of split application befor and after sowing, for irrigated wheat on the Darling Downs. Australian J. of Experimental Agriculture, 26: 201-207.
Thom, W.O., Miller T.G., and Bowman D.H. (1981). Foliar fertilization of rice after midseason. Agronomy Journal, 73: 411-414.
Van, S. and MaCrown D.A. (1987). Cultivar differences in nitrogen remobilization during grain fill in soft red winter wheat. Crop Science, 27: 295-300.
Williams, P. and Jaby El Haramein, F. (1982). Report on baking quality of commercial baker flour form the Aleppo region. ICARDA, Aleppo, Syria.
Wilson, C.E., Slaton, N.A., Dickson, P.A., Norman, R.J. and Wells, B.R. (1996). Rice response to phosphorus and potassium fertilizer application. Research series-Arkansas agricultural Experiment Station, 450: 15-18.
Woolfolk, C.W., Raun, W.R., Johnson, G.V., Thomson, W.E., Mullen, R.W., Wynn, K.J. and Freeman, K.W. (2002). Influence of late-season foliar nitrogen applications on yield and grain nitrogen in winter wheat. Agronomy Journal, 94: 429-434.
Zhao, G.C. (2006). Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate different fertility condition. Acta Ecologica Sinica, 26: 815 – 822.