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References
Abebe N, Gebremedihin A, Endalkachew K (2013). Fertility status of Eutric Nitisol and fertilizer recommendation using numass in the selected areas of Jimma zone, southwestern Ethiopia. Tropical and Subtropical Agroecosystems 16(2013):487-495. |
|
Abiye A, Tekalign M, Peden D, Diedhiou M (2004). Participatory On-Farm Conservation Tillage Trial in Ethiopian Highland Vertisols: The Impact of Potassium Application on Crop Yield. Experimental Agriculture 40(3):369-379. |
|
Abunyewa A, Asiedu EK, Ahenkorah Y (2004). Fertilizer phosphorus fractions and their availability to maize on different land forms on a Vertisol in the coastal Savana zone of Ghana. West African Journal of Applied Ecology 5:63-73. |
|
Assefa M, Johnson MRS, Nyambilila A, Tekalign M (2015a). Wheat Response to Applied Nitrogen, Sulfur, and Phosphorous in three Representative Areas of the Central Highlands of Ethiopia -I. International Journal of Plant & Soil Science 8(5):1-11. |
|
Assefa W, Yemane N, Dawit H (2015b). Planting density and nitrogen and phosphorus fertilization effect on different bread wheat (Triticumaestivum L.) genotypes in Southern Tigray, Ethiopia. World Journal of Medicine and Medical Science Research 3(2):020-028. |
|
Blair JM (1988). Nitrogen, Sulfur and Phosphorus Dynamics in Decomposing Deciduous Leaf Litter in the Southern Appalachians. Soil Biology and Biochemistry 20(5):693-701. |
|
Bouyoucos GH (1951). A reclamation of the hydrometer for making mechanical analysis of soil. Agronomy Journal 43:434-438. |
|
Bremner JM, Mulvaney CS (1982). Nitrogen, In: Page AL (ed). Methods of soil analysis, part two, Chemical and microbiological properties. 2nd ed. American Society of Agronomy, Madison, Wisconsin pp. 595-624. |
|
British Standards Institution (BSI) (1975). Methods of testing soils for civil engineering purpose. British standards 1377. British standards institution, Landon. |
|
Bureau of Agriculture (BoA) (2013). Annual report of Agricultural activities of Wolmera Woreda. Holeta.Unpublished document. Holeta, Ethiopia. |
|
Central Statistical Agency (CSA) (2018). Agricultural sample survey: Report on area and production of major crops. Statistical Bulletin 586. Addis Ababa, Ethiopia |
|
Chatterjee BN, Maiti S (1985). Principles and practice of crops growing. 2nd ed. New Delhi. Oxford and 1BH Publishing P 9. |
|
Cottenie A (1980). Soil and plant testing as a basis of fertilizer recommendations. FAO soil bulletin 38/2. Food and Agriculture Organization of the United Nations, Rome, Italy. |
|
Debele B (1985). The Vertisols of Ethiopia: their properties, classification and management. In: Fifth Meeting of the Eastern African Sub-Committee for Soil Correlation and Land Evaluation, 5-10 December 1983 Wad Medani, Sudan. World Soil Resources Reports No. 56. FAO (Food and Agriculture Organization), Rome. pp. 31-54. |
|
Desta B (1984). Diagnosis of phosphorus deficiency in Ethiopian soils. Soil Science Bulletin No. 3. JAR, Addis Ababa, Ethiopia. |
|
Elias E (2002). Farmers perceptions of soil fertility change and management. In: SOS-Sahel and institute for sustainable development, Addis Ababa. |
|
Elias E (2016). Soils of the Ethiopian highlands: geomorphology and properties. ALTERA Wageningen University Research Centre, the Netherlands. ISBN: 978-99944-952-6-9. |
|
Engel RE, Zubriski JC (1982). Nitrogen concentrations in spring wheat at several stages of growth. Communications in Soil Science and Plant Analysis13:531-44. |
|
Ethiopia Commodity Exchange Authority (ECEA) (2008). Understanding Wheat: A Review of Supply and Marketing issues. |
|
Ethiopian Agricultural Transformation Agency (ATA) (2013). Status of soil resources in Ethiopia and priorities for sustainable management. GSP for Eastern and Southern Africa. Mar 25-27, 2013, Nairobi, Kenya. |
|
Eyasu E (2013). Wheat yield response to fertilizer application on rhodic Nitisols in southwestern Ethiopia. Ethiopian Journal of Natural Resources 13(2):129-140. |
|
Eyasu E (2017). Characteristics of Nitisol profiles as affected by land use type and slope class in some Ethiopian highlands. Environmental Systems Research 6:20. FAO (1986). The Ethiopian highlands reclamation study (EHRS). Vol 1, In: Main Report. Food and Agriculture Organization of the UN, Rome. |
|
Getachew A, Paul NN, Michael IB, Christy van B (2015). Phosphorus Response and Fertilizer Recommendations for Wheat Grown on Nitisols in the Central Ethiopian Highlands, Communications in Soil Science and Plant Analysis. |
|
Global Agricultural Information Network (GAIN) (2019). Ethiopia-Grain and Feed Annual Report. USDA Foreign Agricultural Service, Report Number: ET 1903. |
|
Haileslassie A, Priess J, Veldkamp E, Teketay D, Lesschen JP (2005). Assessment of soil nutrient depletion and its spatial variability on smallholders' mixed farming systems in Ethiopia using partial versus full nutrient balances. Agriculture, Ecosystems & Environment 108:1-16. |
|
Hailu A (2010). The effect of compost on soil fertility enhancement and yield increment under smallholder farming: A case of Tahatai Macichew district of Tigray region, Ethiopia. |
|
Handreck KA, Black ND (1984). Growing media for ornamental plants and turf. Kensington, NSW, Australia: New South Wales University- Press 401 p. |
|
Havlin JL, Beaton JD, Tisdale SL, Nelson WL (2010). Soil Fertility and Fertilizers, An Introduction to Nutrient Management, 7th edition. Pearson Education Inc. New Delhi. |
|
Havlin JL, Beaton JD, Tisdale SL, Nilson WL (1999). Soil Fertility and Fertilizers: an Introduction to Nutrient Management. 6th ed. Prentice |
|
Hall. Upper Saddle River, New Jersey. |
|
Hillette H, Tekalign M, Riikka K, Erik K, Heluf G, Taye B (2015). Soil fertility status and wheat nutrient content in Vertisol cropping systems of central highlands of Ethiopia. Agriculture and Food Security 4:19. |
|
Horneck DA, Sullivan DM, Owen JS, Hart M (2011). Soil Test Interpretation Guide, Oregon State University Extension Service pp. 1-11. |
|
Jana PK, Ghatak R, Sounda G, Ghosh RK, Bandyopadhyay P (2005). Effect of boron on yield content and uptake on NPK by transplanted rice at farmer's field on red and laterite soils of West Bengal. Journal of the International Academy 9(3):341-344. |
|
Jones J, Wolfy B, Miller HA (1991). Plant analysis hand book. Athens: Micro-Macro Publishing. |
|
Jutzi SC, Assamnew G, Haque I, Tedla A, Astatike A (1987). Intermediate technology for increased food and feed production from deep black clay soils in the Ethiopian highlands. In: Proceedings of FAO/SIDA seminar on increased food production through low cost food crop technology. Harare, Zimbabwe pp. 373-83. |
|
Landon JR (2014). Booker tropical soil manual: A hand book for soil survey and agricultural land evaluation in the tropics and subtropics. |
|
Lindsay WL, Norvell WA (1978). Development of a DTPA soil test for Zn, Fe, Mn and Cu. Soil Science Society of America Journal 42:421-428. |
|
Louis EA (2010). Physicochemical characteristics of the rhizosphere soils of some cereal crops in Ambo Woreda, West Shoa, Ethiopia Maejo international Journal of Science and Technology 4(1):93-100. |
|
Mamo T, Haque I, Kamara CS (1988). Phosphorus status of some Ethiopian highland Vertisols. In: Management of Vertisols in sub-Saharan Africa. Proceedings of a conference held at International Livestock Centre for Africa (ILCA), 31 August-4 September 1987 Addis Ababa, Ethiopia pp. 232-52. |
|
Mamo T, Richter C, Heiligtag B( 2002). Phosphorus availability studies on ten Ethiopian Vertisols. Journal of Agriculture and Rural Development in the Tropics and Subtropics 103:177-83. |
|
Mengel K, Kirby EA (2001). Principles of Plant Nutrition. Netherlands. Kluwer Academic Publishers 849 p. |
|
Motsara MR, Roy RN (2008). Guide to laboratory establishment for plant nutrient analysis. Food and Agriculture Organization of the United Nations (FAO) Fertilizer and plant nutrition bulletin-19, Rome. |
|
Nelson DW, Sommers LE (1973). Determination of total N in plant material. Agronomy Journal 65:109-112. |
|
Olsen SR, Sommers LE (1982). Phosphorus. pp. 403-429. In: Page AG ed. Methods of Soil Analysis, part 2: Chemical and microbiological properties. Agronomy 9. Madison, WI. |
|
Plank CO, Donohue SJ (2000). Reference sufficiency ranges for plant analysis in the southern region of the United States. Southern Cooperative Series Bulletin #394, 2000. pp. 29-32. |
|
SAS Institute Inc (2008). SAS/STAT 9.2User's Guide. Cary, NC: SAS Institute Inc. |
|
Sippola J, Ervio R (1977). Determination of boron in soils and plants by the Azomethine-H method. Finn. Chemistry Letters pp. 138-140. |
|
Soylu S, Topal A, Sade B, Akgun N, Gezgin S, Babaoglu M (2004). Yield and yield attributes of durum wheat genotypes as affected by boron application in boron-deficient calcareous soils: an evaluation of major Turkish genotypes for boron efficiency. Journal of Plant Nutrition 27(6):1077-1106. |
|
Stocking M (1988). Tropical red soils of Africa: Fertility management and degradation. In: Nyamapfene K, Hussein J, Asumadu K (eds) The red soils of eastern and southern Africa. Proceedings of an international symposium, Harare. |
|
Tan Z, Lal R, Wiebe K (2005). Global soil nutrient depletion and yield reduction. Journal of Sustainable Agriculture 26:123-146. |
|
Tegbaru B (2015). Soil Fertility Mapping and Fertilizer Recommendation in Ethiopia: Update of EthioSIS project and status of fertilizer blending plants. 2nd IPI - MoANR - ATA- Hawassa University Joint Symposium. The role of potassium in balanced fertilization. 24-26 November 2015, Hawassa University, Hawassa, Ethiopia. |
|
Tekalign T (1991). Soil, plant, water, fertilizer, animal manure and compost analysis. Working Document No. 13. International Livestock Research Center for Africa, Addis Ababa, Ethiopia. |
|
Van R (1993). Procedures for soil analysis 4th ed. International Soil Reference and Information Center, Netherlands. |
|
Walkley A, Black IA (1934). An example of the digestion method for determining soil organic matter and a proposed modification of the chromic acid titration method. Soil Science 34: 29-38. |
|
Watson ME (2011). Boron In: Recommended Chemical Soil Test Procedures for the North Central Region. North Central Regional Research Publication No 221. |
|
Wolf B (1982). A comprehensive system of leaf analysis and its use for diagnosing crop nutrient status. Communication of Soil Science and Plant Analysis 13(12):1035-1059. |
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