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References
Abu-Zinada IA (2009). Potato response to potassium and nitrogen fertilization under gaza strip conditions. J. Al Azhar University-Gaza (Nat. Sciences), 11:15-30. |
Amisnaipa A, Susila D, Dedi N, Wasgito Purnomo D (2016). Determination of potassium (K) fertilizer requirement for pepper (Capsicum annuum L.) on inceptisols soil. J. Agron. 15:165-172. |
Asghari HR, Cavagnaro TR (2011). Arbuscular mycorrhizas enhance plant interception of leached nutrients. Funct. Plant Biol. 38:219-226. |
Bertrand H, Thierry T, Peter JL, Frédéric D (2011). Improving Nitrogen Use Efficiency in Crops for Sustainable Agriculture. J. Sustain. 3:1452-1485. |
Beukema HP, Van der Zaag DE (1990). Introduction to Potato roduction. Pudoc.Wagenignen. |
Burns IG (2006). Assessing N fertilizer requirements and the reliability of different recommendation systems. Acta Hort. pp. 35-48. |
Chettri M, Thapa U (2002). Response of potato to different sources of potassium with or without farm yard manure in new alluvial zone of West Bengal Haryana. J. Hort. Sci. 31(3/4):253-55. |
David S, Evelyn R, Farfán V, Raymundo G, Felipe De M, Roland S, Merideth B, Awais MK (2016). Yield and Physiological Response of Potatoes Indicate Different Strategies to Cope with Drought Stress and Nitrogen Fertilization. Am. J. Potato Res. 93:288-295. |
Dechassa N, Schenk MK (2004). Exudation of organic anions by roots of cabbage, carrot and potato as influenced by environmental factors and plant age. J. Plant Nutr. Soil Sci. 167:623-629. |
EATA (Ethiopian Agricultural Transformation Agency) (2013). Status of soil resources in Ethiopia and priorities for sustainable management. GSP for Eastern and Southern Africa, 25-27 March 2013, Nairobi, Kenya. |
Ekossa T, Wudneh A, Desalegn B, Taye G (2015). Linking soil erosion to on-site financial cost: Lessons from watersheds in the Blue Nile basin. Solid Earth 6(2):765-774. |
Fageria NK, Baligar VC (2005). Enhancing nitrogen use efficiency in crop plants. Adv. Agron. 88:97-185. |
FAO (2004). FAOSTAT Agricultural data. Provisional 2003 Production and Production Indices Data. Crop primary. (http://apps.fao.org/d efault.jsp). |
Getu B (1998). Yield, quality and nitrogen uptake of potato (Solanum tuberosum L.) as influenced by rate and time of nitrogen application. MSc. Thesis Presented to the School of Graduate Studies of Alemaya University.102 p. |
Girma A, Ravishanker H (2008). The nutritive value of Potato tuber and N and P Effect on its Crude protein and Dry Matter Production. Ethiop. J. Crop Sci. 1(1):28-37. |
Hirel B, Le Gouis J, Ney B, Gallais A (2007). The challenge of improving nitrogen use efficiency in crop plants: Towards a more central role for genetic variability and quantitative genetics within integrated approaches. J. Exp. Bot. 58:2369-2387. |
Honisch M, Hellmeier C, Weiss K (2002). Response of surface and sub-surface water quality to land use changes. Geoderma 105:277-298. |
Jorge RA, Arrunda P (1997). Aluminum induced organic acids exudation by roots of aluminum tolerant maize. Photochemistry 45(4):675-681. |
Kakuhenzire R, Hakiza JJ, Berga L, Adipala E, Olanya M, Wagoire W, Kashaija I (2005). Response of four selected potato cultivars to fungicide and fertilizer application. African Crop Science Conference Proceedings, 6:69-75. |
Love SL, Novy R, Corsini DL, Bain P (2003). Variety selection and management. Pages 21-47 in: Potato Production Systems. Stark JC, Love SL eds. Agric. Commun. Univ. of Idaho, Moscow. |
Ludewig U, Neuhäuser B, Dynowski M (2007). Molecular mechanisms of ammonium transport and accumulation in plants. FEBS Lett. 581:2301-2308. |
Madramootoo CA, Wayo KA, Enright P (1992). Nutrient losses through tile drains from potato fields. Appl. Eng. Agric. 8:639-646. |
Mahmoodi SH, Hakimian M (2005). Principle of Soil Science (Translation). Tehran University press, Iran. P 650. |
Marschner H (1995). Mineral nutrition of higher plant. Second edition. Academic Press, London: 234 p. |
Marschner H (2011). Marschner's mineral nutrition of higher plants. Third edition. Academic press. German: 672p. |
Millard P (1986). The nitrogen content of potato (Solanum tuberosum L.) tubers in relation to nitrogen application the effect on amino acid composition and yields. J. Sci. Food Agric. 37:107-114. |
Mitiku H, Herweg K, Stillhardt B (2007). Sustainable land management: a new approach to soil and water conservation in Ethiopia. Land Resources Management and Environmental Protection Department of Mekelle University, and Centre for Development and Environment, Swiss National Centre of Competence in Research (NCCR): North- South University of Bern. |
Munoz F, Mylavarapu RS, Hutchinson CM (2005). Environmentally responsible potato production systems: A review. J. Plant Nutr. 28:1287-1309. |
Ochi-e-Ardabili M, Jamaati-e-Somarin S, Abbasi A, Hedayat S, Hassanzadeh M, Zabihi-e-Mahmoodabad R (2010). Effects of nitrogen fertilizer and plant density on NPK uptake by potato tuber. World Appl. Sci. J. 8(3):382-386. |
Onder S, Caliskan ME, Onder D, Caliskan S (2005). Different irrigation methods and water stress effects on potato yield and yield components. Agric. Water Manage. 73:73-86. |
Pack JE, Hutchinson CM, Simonne EH (2006). Evaluation of controlled-release fertilizers for northeast Florida chip potato production. J. Plant Nutr. 29:1301-1313. |
Peter RG, Wachira K, Oscar O, Agajie T, Gebremedhin W, William WW, Rogers K, Peter MK, Moses N, Paul CS, Cees L (2009). Improving Potato Production in Kenya, Uganda and Ethiopia. Potato Res. 52:173-205. |
Powell JM, Gourley CJP, Rotz CA, Weaver DM (2010). Nitrogen use efficiency: A potential performance indicator and policy tool for dairy farms. Environ. Sci. Policy 13:217-228. |
Ravi RP, Sunila L, Nandula R, Altaf A (2008). Molecular physiology of plant nitrogen use efficiency and biotechnological options for its enhancement, recommendation systems. Acta Hort. 700:35-48. |
Regmi AP, Ladha JK, Pasuquin E, Pathak H, Hobbs PR, Shrestha LL, Gharti DB, Duveiller E (2002). The role of potassium in sustaining yields in a long-term rice-wheat experiment in the Indo-Gangetic Plains. Biol. Fert. Soils 36:240-247. |
SAS Institute Inc (2009). SAS 9.2 stored processes developer's guide .Carry. SAS. Institute Inc.2009. Cary, NC, USA. |
Schenk MK (2006). Nutrient efficiency of vegetable crops. Acta Hort. 700:25-38. |
Scott GJ, Rosegrant MW, Ringler C (2000). Global projections for root and tuber crops to the year 2020. Food Policy 25:561-597. |
Sikka L (1982). Fertilizer and manure requirements of the potato. In: Potato seed production for tropical Africa. (S. Nganga and F., Shideler, Eds.), CIP, Lima, Peru. |
Singh SK, Lal SS (2012). Effect of potassium levels and its uptake on correlation between tuber yield and yield attributing characters in potato (Solanum tuberosum L.) var. Kufri Pukhraj. Asian J. Hort. 7(2):392-396. |
Stoorvogel J, Smaling E, Janssen B (1993). Calculating soil nutrient balances in Africa at different scales. Fertilizer Res. 35(3):227-235. |
Sutton M, Howard CM, Erisman JW, Billen G, Bleeker A, Grennfelt P, van Grinsven H, Grizetti B (2011). Assessing our nitrogen inheritance. In The European Nitrogen Assessment. Sources, Effects and Policy Perspectives; Sutton MA, Howard CM, Erisman JW, Billen |
G, Bleeker A, Grennfelt P, van Grinsven H, Grizzetti B Eds. Cambridge University Press: Cambridge UK, 2011 pp. 1-6. |
Teklu E (2005). Land preparation methods and soil quality of vertisol area in the central highlands of Ethiopia. Stuttgart: Universitat Hohenheim (310):D-70593. |
Teriessa J (1997). A simple guide to potato production in Eastern Ethiopia. Alemaya University of Agriculture P 50. |
Tisdale SL, Nelson WL, James DB, John LH (1995). Soil fertility and fertilizers (5th Ed.). Macmillan publishing Co, Inc. New York pp. 109-229. |
Umar AS, Iqbal M (2007). Nitrate accumulation in plants, factors affecting the process, and human health implications. A review. Agron. Sustain. Dev. 27:45-57. |
Westermann DT (2005). Nutritional requirement of potatoes. Am. J. Potato Res. 82:301-307. |
Xu G, Fan X, Miller AJ (2012). Plant nitrogen assimilation and use efficiency. Ann. Rev. Plant Biol. 63:153-182. |
Yilma S (1991). The potential of true potato seed in potato production in Ethiopia. Actae Hurticultrae 270:389-394. |
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