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References
Allison MF, Flowler EJ, Allen JH (2001). Response of Potato (Solanum tuberosum. L) to Potassium Fertilizers. Journal of Agricultural Science 136:407-426. |
|
Al-Moshileh AM, Errebi MA (2004). Effect of various potassium sulphate rates on growth, yield and quality of potato grown under sandy soil arid conditions. Proceedings of the IPI Regional Workshop on Potassium and Fertigation Development in West Asia and North Africa, Rabat, Nov. 2428-. Morocco, pp. |
|
AsARC (Assosa Agriculture Research Center) (2017). Assosa Agricultural Research Center metrological data for 2017. Assosa, Ethiopia. |
|
Asmaa RM, Hafez MM (2010). Increasing productivity of potato plants (Solanum tuberosum L) by using potassium fertilizer and humic acid application. Int. Academic Research Journal 2(2):83-88. |
|
Bekabil F, Befekadu B, Rupert S ,Tareke B (2011). Strengthening the teff Value Chain in Ethiopia (Unpublished Report). pp.12. Agricultural Transformation Agency. |
|
Burtukan B (2016). Effect of nitrogen and phosphorus rates on growth, yield, yield components and quality of potato (Solanum tuberosum L.) at Dedo, South West Ethiopia. An MSc Thesis Presented to School of Graduate Study of Jimma University, Ethiopia. |
|
CIMMYT(1988). From agronomic data to farmer recommendations: An economics training manual, (No 27): CIMMYT. |
|
CIP (1984). International Potato Centre, Potato for the developing world. Lima, Peru.150p. |
|
Dewis J, Fraitas P (1984). Physical and chemical methods of soil and water analysis. FAO Bulletin, No. 10, Rome 275p. |
|
Diwaker B, Oswalt DL (1992). Research planning and data handling. ICRISAT, Andra Pradesh, India. 89p. |
|
Djilani GA, Senoussi M (2013). Influence of organic manure on the vegetative growth and tuber production of potato (Solanum tuberosum L.) in Sahara Desert region. Algeria, International Journal of Agriculture and Crop Sciences 5(22):2724-2731. |
|
EARO (2004). Research Strategy Document for Assosa Agricultural Research Center, Benishangul Gumuz National Regional State.Ethiopian Agricultural Research Organization (EARO), Addis Ababa, Ethiopia, pp. 1-6. |
|
Esayas L (2015). Effect of blended fertilizers on yield and yield traits of durum wheat (Triticum turgidum l. var. durum) varieties in Ada district, Central Ethiopia. An MSc. Thesis presented to Haramaya University, Ethiopia. |
|
EthioSIS (2013). Soil analysis report. Agricultural Transformation Agency (Unpublished). |
|
EthioSIS (2014). Soil fertility status and fertilizer recommendation atlas for Tigray regional state, Ethiopia. July 2014, Addis Ababa, Ethiopia. |
|
Fageria NK, Baligar VC, Jones CA (2011). Growth and Mineral Nutrition of Field Crops 3 Edition., Taylor & Francis Group. |
|
FAO (2008). International year of the potato. |
|
FAO (2015). Potato World, Production and Consumption. |
|
FAOSTAT (2015). Data base of agricultural production. Food and Agriculture Organization, Rome, Italy. |
|
Firew G, Nigussie D, Wassu M (2016). Response of potato (solanum tuberosum l.) to the application of mineral nitrogen and phosphorus under irrigation in Dire Dawa, Eastern Ethiopia. Journal of Natural Sciences Research. ISSN 2224-3186 (Paper) 6(7). |
|
Gebremedhin W, Endale G, Berga L (2008a). Potato Variety Development. In: Root and Tubers. The untapped Resource, pp. 15-32. EIAR, Addis Ababa, Ethiopia |
|
Gebremedhin G, W Giorgis, Endale G, Kiflu B (2008b). Overview of trends in root and tuber crops research in Ethiopia and potato agronomy. In Root and tuber crops, pp.1-5. Addis Abeba: Ethiopian Institute of Agricultural Research. |
|
Habtam S (2012). Response of potato (solanum tuberosum l.) to the application of phosphorus and potassium fertilizers at Assosa, Benishangul gumuz regional state, Western Ethiopia on at Assosa area. An M.Sc. Thesis Presented to Haramaya University, Ethiopia. |
|
Hazelton P, Murphy B (2007). Interpreting soil test results. What do all the numbers mean? 2nd Edition. CSIRO Publishing. 152p. |
|
Hesse PR (1971). A Text Book of Soil Chemical Analysis. |
|
Israel Z, Ali M, Solomon T (2012). Effect of different rates of nitrogen and phosphorus fertilization on yield and yield component of potato (Solanum tuberosum L.) at Mashan, Southwestern of Ethiopia. African Journal of Plant Science 3 (2): 016-024. |
|
Jackson M (1967). Soil chemical analysis. Prentice-Hall of India, New Delhi. |
|
Jones JB (2003). Agronomic Handbook: Management of Crops, Soils, and Their Fertility. CRC Press LLC, Boca Raton, FL, USA. 482p. |
|
Kanzikwera CR, Tenywa JS, Osiru DSO, Adipala E, Bhagsari AS (2001). Interactive effect of Nitrogen and Potassium on dry matter and nutrient partitioning in true potato seed mother plants. African Crop Science Journal 9:127-146. |
|
Lung'aho C, Lemaga B, Nyongesa M, Gildermacher P, Kinyale P, Demo P, Kabira J (2007). Commercial seed potato production in eastern and central Africa. Kenya Agricultural Institute, 140p. |
|
Marschner H (1995). Mineral nutrition of higher plants, second edition. Academic Press Inc., Sand Diego. 889p. |
|
MoARD (2009). Ministry of Agriculture, Crop Variety Register. Issue No.12. Animal and Plant Health Regulatory Directorate, Addis Ababa, Ethiopia. |
|
Motsara MR, Roy RN (2008). Guide to Laboratory Establishments for Plant nutrient Analysis: FAO Fertilizer and Plant Nutrition Bulletin 19. |
|
Mulubrhan H (2004). The effects of nitrogen, phosphorus, and potassium fertilization on the yield and yield components of potato (Solanum tuberosum L.) grown on vertisols of Mekelle area, Ethiopia. An M.Sc Thesis Presented to School of Graduate Study of Haramaya University, Ethiopia. |
|
Naz F, Ali A, Iqbal Z, Akhtar N, Asghar S, Ahmad B (2011). Effect of different levels of NPK fertilizers on the proximate composition of potato crop at Abbottabad. Sarhad Journal of Agriculture 27(3):353-356. |
|
Nigussie D (2001). Phosphorus efficiency of selected vegetables. A Ph.D. Dissertation Presented to Hanover University, Fielderstadt, Germany. |
|
Olsen SR, Cole CW, Watanabe FS, Dean LA (1954). Estimation of available phosphorous in soils by extraction with sodium bicarbonate circular 939, US. Department of Agriculture. |
|
Page AL (1982). Methods of soil analysis. Part II. Chemical and Microbiological Properties. Madison. |
|
Ryan J, Rashid A (2001). Soil and plant analysis laboratory manual. second edition. jointly published by the international center for agricultural research in the dry areas (ICARDA) and the National Agricultural Research Center (NARC). Available from ICARDA, Aleppo, Syria, pp. 172. |
|
Salam PK (2004). Annual Agricultural Research. New Series. 25(2): 329-332. |
|
SAS (2004). SAS (Statistical Analysis System) statistical guide for personal computers, version 9.0. SAS Institute. |
|
Shiri-e-Janagrad M, Tobeh A, Abbasi A, Jamaati-e-Somarin S, Hokmalipour S (2009). Vegetative growth of potato (Solanum tuberosum L.) cultivars, under the effects of different levels of nitrogen fertilizer. Research Journal of Biological Sciences 4(7):807-814. |
|
Simret B, Nigussie D, Tekalign T (2010). Influence of inorganic nitrogen and potassium fertilizers on seed tuber yield and size distribution of potato. Proceedings of the National Workshop on Seed Potato Tuber Production and Dissemination, 12-14 March 2012. |
|
Singh NP, Raghav M (2000). Response of potato to nitrogen and potassium fertilization under UP. tarai conditions. Journal of the Indian Potato Association 27:47-48. |
|
Singh JP (1999). Potassium fertilization of potatoes in north India. pp. 123-127. In: Proc. of IPI Workshop on Essential Role of K in Diverse Cropping Systems, held at the 16th World Congress of Soil Science, Montpellier, France, 20-26 August 1998. International Potash Institute, Basel, Switzerland. |
|
Tawfik AA (2001). Potassium and Calcium nutrition improves potato production in drip irrigated sandy soil. African Crop Science Journal 9:147-155. |
|
Tekalign T (1991). Soil, plant, water, fertilizer, animal manure and compost analysis. Working Document No. 13. International Livestock Research Center for Africa, Addis Ababa. |
|
Vander Zaag P (1981). Soil fertility requirements for potato production. International potato Center (CIP), Lima- Peru, Technical Information Bulletin, 14, 120-122. |
|
Walkley A, Black AC (1934). An examination of the DEGTJAREFF method for western Potato Council. 2003. Botany of the potato plant. Adaptation from Guide to Commercial Potato Production on the Canadian Prairies. |
|
Wassie H Shiferaw B (2011). Response of Irish Potato (Solanum tuberosum) to the Application of Potassium at Acidic Soils of Chencha, Southern Ethiopia. International Journal of Agricultural Biology 13:595-598. |
|
Wassu M (2014). Genetic Variability in Potato (Solanum tuberosum L.) Genotypes for Late blight [Phytophthora infestans (Mont.) de Bary] Resistance and Yield at Haramaya, Eastern Ethiopia. East African Journal of Sciences (2014). Volume 8(1) 13-28. |
|
William MA, Woodbury GW (1968). Specific gravity dry matter relationship and reducing sugar changes affected by potato variety, production area and storage. American Potato Journal 45(4):119-131. |
|
Zelalem A, Tekalign T, Nigussie D (2009). Response of potato (Solanum tuberosum L.) to different rates of N and P fertilization on Vertisol at Debre Berhan, in the entral highlands of Ethiopia. African Plant Scientific Journal 3(2):16-24. |
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