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References
Abdoulaye T, Marienville JW (1999). Nitrate reductase activity of diverse grain sorghum genotypes and its relationship to nitrogen use efficiency. Agron. J. 91:863-869. |
|
Addis A (2003). Genotype by Environment Interaction of Bread Wheat (Triticum aestivum L.) Genotypes under Dryland Growing Conditions of Tigray. M.Sc. Thesis in Agriculture (Plant Breeding), Alemaya University. |
|
Amsal T, Tanner DG, Taye T, Chanyalew M (2000). Agronomic and economic evaluation of the on-farm N and P response of bread wheat grown on two contrasting soil types in central Ethiopia. In: The Eleventh Regional Wheat Workshop for Eastern, Central, and Southern Africa. CIMMYT, Addis Ababa, Ethiopia. |
|
Amanuel G, Kuhne RF, Tanner DG, Vlek PLG (2002). Recovery of 15- N labeled urea applied to wheat in the Ethiopian Highlands as affected by P fertilization. J. Agron. Crop Sci. 189:30-38. |
|
Archer J (1988). Phosphorus. In: John Archer (ed.). Crop nutrition and fertilizer use. Farming Press Ltd. USA pp. 57-64. |
|
Behera AK (1998). Response of Scented rice (Oryza sativa) to nitrogen under transplanted condition. Indian Agron. J. 43(1):64-67. |
|
Botella MA, Cerda AC, Lips SH (1993). Dry matter production, yield and allocation of carbon-14 assimilate by wheat as affected by nitrogen source and salinity. Agron. J. 85(5):1044-1049. |
|
Craswell ET, Godwin DC (1984). In: Mengel, K. and E.A. Kirkby, 1996. Principles of plant nutrition. Panima Publishing Corporation, New Delhi, India. |
|
Damene D (2003). Yield response of bread wheat (Triticum aestivum L.) to applied levels of N and P fertilizers on Nitisol of Dawro Zone, Southwestern Ethiopia. M.Sc. Thesis in Agriculture, Alemaya University. |
|
Day PR (1965). Hydrometer method of particle size analysis. In: Back, C.A. (eds.), Methods of soil analysis. American Society of Agron. J. 9(2):562-563. |
|
Evans LT (1975). Crop physiology, Cambridge University press, London |
|
Genene G (2003). Yield and quality response of bread wheat varieties to rate and time of nitrogen fertilizer application in Kulumsa, Southeastern Ethiopia. An M.Sc. Thesis Presented to the School of Graduate Studies of Alemaya University, Alemaya. |
|
Gomez KA, Gomez AA (1984). Statistical analysis for agricultural research. John Willy and Sons Inc pp.120-155. |
|
Gooding MJ, Davies WP (1997). Wheat production and utilization, systems quality and the environment, CAB international, UK |
|
Gurmessa L (2002). Response of wheat (Triticum aestivum) to fertilizer N and P in Borona Zone, Ethiopia. An MSc Thesis Presented to the School of Graduate Studies of Alemaya University. |
|
Hailu G-M (1991). Wheat production and research in Ethiopia.pp.1-15. In : Hailu Gebre-Mariam, Tanner, D.G., and Mengistu Hulluka (eds.) Wheat Research in Ethiopia: A Historical perspective, IAR/ CIMMYT, Addis Ababa, Ethiopia |
|
Hari DM, Katyal SK, Ohiman SP (1997). Effect of nitrogen and seed rate in nursery on growth and yield of hybrid rice (Oryza sativa). Indian J. Agron. 42(2):275-277. |
|
Jackson ML (1967). Soil chemical analysis. Practice Hall of India. New Delhi. |
|
Lemma ZY, Tanner DG, Eyasu E (1992). The effects of nitrogen fertilizer rates and application timing on bread wheat in Bale Region of Ethiopia. In: D.G. Tanner and W. Mwangi (eds.) Seventh Regional Wheat workshop for Eastern, Central, and Southern Africa. Addis Ababa, Ethiopia. |
|
Marshner H (1995). Mineral nutrition of higher plant. 2nd edition. Academic Press, London. New York. |
|
Mekonen A (2005). Response and uptake of barley (Hordeum irregulare L.) to different rates of Orga- P and nitrogen fertilizers on Nitisols of Gozamin district, Ethiopia, M.Sc. Thesis, Alemaya University |
|
Mengel K, Kirkby EA (1987). Principles of Plant nutrition. International Potash Institute, Bern, Switzerland. |
|
Mengel K, Kirkby EA (1996). Principles of Plant Nutrition, Panimo Publishing Corporation, New Delhi, India |
|
Mossedeq F, Smith DH (1994). Time of nitrogen fertilizer application to enhance spring wheat yields in the Mediterranean climate. Agron. J. 86(2):221-226. |
|
Mooleki SP, Foster RK (1993). Effects of N and P rates and proportional timing of N application on rainfed wheat in Zambia. Plant Soil 149:73-86. |
|
Ofla District BoANRD (2005). Unpublished Document. |
|
Olsen SR, Cole CV, Watanabe FS, Dean LA (1954). Estimation of available phosphorus in soils by extraction with sodium bicarbonate. USA Circular 939:1-19 |
|
Ortiz-Monasterio JI, Sayre KD, Rajaram S, McMahon M (1997). Genetic progress in wheat and nitrogen use efficiency under four rates. Crop Sci. 37(3):898-904. |
|
Pal UR (1991). Effects of source and rate of nitrogen and phosphorus on yield and nutrient uptake and apparent fertilizer recovery by maize in the Southern Guinea Savana. J. Agric. Sci. Technol. 1:21-24. |
|
Russel EW (1988). Soil condition and plant growth. Eleventh edition. Bath Press, Great Britain. |
|
Sahlemedhin S (1999). Draft guideline for regional soil testing laboratories. NFIA, Addis Abeba, Ethiopia. |
|
Temesgen K (2001). The effect of sowing date and nitrogen fertilizer on yield and yield traits of tef [ Eragrostis tef (Zucc.) Trotter ]. M.Sc. Thesis, Alemaya University. |
|
Tilahun G, Tanner DG, Tekalign M, Getinet G (1996). Response of bread and durum wheat to source, level and timing of nitrogen fertilizer at two vertisol sites in Ethiopia. In: Tanner, D.G., T.Payne, and O.S., Abdalla (eds.). Proceeding of Ninth Regional Wheat Workshop for eastern, Central and South Africa. CIMMYT, Addis Ababa, Ethiopia. |
|
Zewdu Y, Lemma Z, Tanner DG (1992). A study of several factors limiting wheat yields on farmers' fields and on station in Bale of Ethiopia. pp. 510-516. In: Tanner, D.G. and Mwangi W. (eds.). Proceeding of seventh regional wheat workshop for Eastern, Central and Southern Africa. CYMMYT. Addis Ababa, Ethiopia. |
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