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References
Abdelkdair A, Schultz R C (2005). Water harvesting in a 'runoff-catchment'agroforestry system in the dry lands of Ethiopia. Agroforestry Systems 63(3):291-298. |
|
Assefa D (2007). Transplanting sorghum as a means of ensuring food security in low rainfall sorghum growing areas of Northern Ethiopia. DCG report. |
|
Barron J, Rockström J, Gichuki F, Hatibu N (2003). Dry spell analysis and maize yields for two semi-arid locations in east Africa. Agricultural and forest meteorology 117(1):23-37. |
|
Belay A, Gebrekidan H, Uloro Y (1998). Effect of tied ridges on grain yield response of Maize (Zea mays L.) to application of crop residue and residual N and P oil two soil types at Alemaya, Ethiopia. South African Journal of Plant Science 15(4):123-129. |
|
Benites JR (2008). Effect of no-till on conservation of the soil and soil fertility. In: Goddard T, Zoebisch MA, Gan, Y, Ellis, Watson A and S Sombatpanit (eds.). No-Till Farming Systems. Special Publication No. 3, 59-72.No-till Farming Systems. Special Publication No. 3, World Association of Soil and Water Conservation, Bangkok, Thailand pp. 1-554. |
|
Bescansa P, Imaz MJ, Virto I, Enrique A, Hoogmoed W B (2006). Soil water retention as affected by tillage and residue management in semiarid Spain. Soil and Tillage Research 87(1):19-27. |
|
Beyene D (1988). Soil fertility research on some Ethiopian Vertisols. In Proceedings of a Conference Held at ILCA on the management of vertisols in Sub-Saharan Africa. pp. 223-231. |
|
Bolwig S, Gibbon P, Dike M, Taylor A (2007). Certified organic export production-implications for economic welfare and gender equity amongst smallholder farmers in tropical Africa. Policy brief. UNCTAD. |
|
Bradford JM, Peterson GA (2000). Conservation tillage. Handbook of soil science. 2000:247-70. |
|
Bremner JM, Mulvaney CS (1982). Total nitrogen. In: A.L. Page. R.H. Miller. and D.R. Keeney, Methods of Soil Analysis, Part 2. Argon. Mongr. ASA and SSSA, Madison. |
|
Brhane G, Wortmann CS, Mamo M, Gebrekidan H, Belay A (2006). Micro-basin tillage for grain sorghum production in semiarid areas of Northern Ethiopia. Agronomy Journal 98(1):124-128. |
|
César E, Ekbom A (2013). Ethiopia environmental and climate change policy brief. Sida's Helpdesk for Environment and Climate Change. |
|
CIMMYT (1988). From Agronomic Data to Farmer Recommendations: An Economics Training manual. Completely Revised Edition. Annual Report 2003-2004 All India Co-ordinated Research Project for Dry land Agriculture. Hyderabad: Central Research Institute for Dry land Agriculture pp. 291-301. |
|
Cottenie A (1980). Soil and plant testing as a basis of fertilizer recommendations (No. 38/2). |
|
Desale KA (2014). Conservation tillage implementation under rainfed agriculture: Implication for soil fertility, green water management, soil loss and grain yield in the Ethiopian Highlands.International Journal of Agricultural Sciences 4(9):268-280. |
|
Doran JW, Smith MS (1987). Organic matter management and utilization of soil and fertilizer nutrients. Soil fertility and organic matter as critical components of production systems pp. 53-72. |
|
Gebrekidan H, Uloro Y (2002). Soil and water conservation (tied ridges and planting methods) on cultivated lands: The case of eastern Ethiopian. Soil and Water Management Research Program, Alemaya University (AU). |
|
Hassane A, Martin P, Reij C (2000). Water harvesting, land rehabilitation and household food security in Niger: IFAD's soil and water conservation project in Illéla District. |
|
Hine R, Pretty J (2008). Organic agriculture and food security in Africa. United Nations Conference on Trade and Development (UNCTAD) and United Nations Environment Programme (UNEP): Geneva and New York. |
|
Kertesz K, Badonyi K, Madarasasz B, Csepinszky B (2008). Environmental aspects of conventional and conservation tillage-results of the SOWAP project in Hungary. No-till Farming Systems"(T. Goddard, MA Zo bisch, YT Gan, Ellis W, A. Watson and S. Sombatpanit, eds.), pp. 1-554. |
|
Lal R (2000). Mulching effects on soil physical quality of an alfisol in western Nigeria. Land Degradation and Development 11(4):383-392. |
|
Leye MT (2007). Conservation Tillage Systems and Water Productivity-Implications for Smallholder Farmers in Semi-Arid Ethiopia: PhD, UNESCO-IHE Institute for Water Education, Delft, the Netherlands. CRC Press. |
|
Mando A (1997). The effect of mulch on the water balance of Sahelian crusted-soils. Soil Technology 11:121-138. |
|
Matson PA, Naylor R, Ortiz-Monasteries I (1998). Integration of environmental, agronomic, and economic aspects of fertilizer management. Science 280(5360):112-115. |
|
Mesfin T, Tesfahunegn GB, Wortmann CS, Nikus O, Mamo M (2009). Tied-ridging and fertilizer use for sorghum production in semi-arid Ethiopia. Nutrient cycling in agro ecosystems 85(1):87-94. |
|
Montgomery DC (1991). Design and analysis of experiment.3rd edition. John Wiley and Sons, New York. USA. |
|
Morris RA, Garrity DP (1993). Resource capture and utilization in intercropping: water. Field Crops Research 34(3-4):303-317. |
|
Mupangwa W, Twomlow S, Walker S, Hove L (2007). Effect of minimum tillage and mulching on maize (Zea mays L.) yield and water content of clayey and sandy soils. Physics and chemistry of the earth, parts A/B/C 32(15-18):1127-1134. |
|
National Meorological Services Agency (NMSA) (2014). Climatic & Agroclimatic Resources of Ethiopia. Meteorological Research Report Series, Addis Ababa, Ethiopia. |
|
Ngigi NS (2005). Rainwater harvesting for improved food security, promising technologies in greater Horn of Africa. Published by Kenyan rainwater, Nairobi, Kenya. No-till Farming Systems. Special Publication No. 3, World Association of Soil and Water Conservation, Bangkok, Thailand pp. 1-554. |
|
Nyamangara J, Nyengerai K, Masvaya EN, Tirivavi R, Mashingaidze N, Mupangwa W, DimesJ, Hove L, Twomlow S (2014). Effect of conservation agriculture on maize yield in the semi-arid areas of Zimbabwe. Experimental Agriculture 50(02):159-177. |
|
Nyamadzawo G, Nyamugafata P, Wuta M, Nyamangara J, Chikowo R (2012). Infiltration and runoff losses under fallowing and conservation agriculture practices on contrasting soils, Zimbabwe. Water SA. 38(2):233-240. |
|
Olsen SR (1954). Estimation of available phosphorus in soils by extraction with sodium bicarbonate. United States Department Of Agriculture; Washington. |
|
Otim GA, Mubiru DN, Lwasa J, Namakula J, Nanyeenya W, Okello R, Elem J (2015) . Evaluating permanent planting basin for optimum plant populations of maize and beans. Journal of Environmental and Agricultural Sciences 2(2):2313-8629. |
|
Oweis T (1997). Supplemental irrigation: A highly efficient water-use practice. ICARDA. |
|
Pawluk RR, Sandor JA, Tabor JA (1992). The role of indigenous soil knowledge in agricultural development. Journal of soil and water conservation 47(4):298-302. |
|
Rao MR, Mathuva MN (2000). Legumes for improving maize yields and income in semi-arid Kenya. Agriculture, ecosystems and environment 78(2):123-137. |
|
Reddy MS,Willey RW (1981). Growth and resource use studies in an intercrop of pearl millet/groundnut. Field Crops Research 4:13-24. |
|
Reddy KC, Visser P, Buckner P (1992). Pearl millet and cowpea yields in sole and intercrop systems, and their after-effects on soil and crop productivity. Field Crops Research 28(4):315-326. |
|
Rhoades JD (1982). Cation exchange capacity. Methods of soil analysis. Part 2. Chemical and microbiological properties. Agronomy 9:1490-1589. |
|
Rockstrom J (2000). Water resources management in smallholder farms in Eastern and Southern Africa: an overview. Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere 25(3):275-283. |
|
Rockström J, Barron J and Fox P (2003). Water productivity in rain-fed agriculture: challenges and opportunities for smallholder farmers in drought-prone tropical agroecosystems. Water productivity in agriculture: Limits and opportunities for improvement 85(669):1-8. |
|
Rockström J, Kaumbutho P, Mwalley J, Nzabi AW, Temesgen M, Mawenya L, Barron J, Mutua J, Damgaard-Larsen S (2009). Conservation farming strategies in East and Southern Africa: yields and rain water productivity from on-farm action research. Soil and Tillage Research 103(1):23-32. |
|
SAS institute (2013). The statistical analysis software system for windows. Version 9.4, SAS institute INC., Cary NC., and USA. |
|
Stroosnijder L, van Rheenen T (2001). Agro-silvo-pastoral land use in Sahelian villages. |
|
Taddese G (2001). Land degradation: a challenge to Ethiopia. Environmental management 27(6):815-824. |
|
Tefera B (2002). Nature and causes of land degradation in the Oromiya Region: A review (Vol. 36). ILRI (ILCA and ILRAD). |
|
Tekalign T, Haque I, Aduayi EA (1991). Soil, plant, water, fertilizer, animal manure and compost analysis. Working document (13). |
|
Temesgen M, Rockstrom J, Savenije HHG, Hoogmoed WB (2009). Conservation tillage implements and systems for stallholder farmers in the semi-arid Ethiopia. Soil and Tillage Research 104:185-191. |
|
Temesgen M, Rockstrom J, Savenije HHG, Hoogmoed WB and Alemu D (2008). Determinants of tillage frequency among smallholder farmers in two semi-arid areas in Ethiopia. Physics and chemistry of the earth, parts A/B/C 33(1):183-191. |
|
Twomlow S, Hove L, Mupangwa W, Masikati P, Mashingaidze N (2008). Precision conservation agriculture for vulnerable farmers in low-potential zones. Bulawayo. Zimbabwe. Proceedings of the Workshop on Increasing the Productivity and Sustainability of Rainfed Cropping Systems of Poor, Smallholder Farmers, Tamale, Ghana pp. 22â€25. |
|
Verhulst N, Govaerts B, Verachtert E, Castellanos-Navarrete A, Mezzalama M, Wall P, Deckers J, Sayre KD (2010). Conservation agriculture, improving soil quality for sustainable production systems. Advances in soil science: food security and soil quality. CRC Press, Boca Raton pp. 137-208. |
|
Walkley A and Black IA (1934). An examination of the method for determining soil organic matter, and a proposed modification of the chromic acid titration method. Soil science 37(1):29-38. |
|
Wiggins S (2009). Can the smallholder model deliver poverty reduction and food security? Expert meeting on how to feed the world in 2050. Dept Econ Soc Develop. Food Agriculture Org United Nations, Rome, Italy. |
|
Wiggins S, Sharada K (2013). Looking Back, Peering Forward: Food Prices and the Food Price Spike of 2007/08. London: Overseas Development Institute, |
|
Williams LJ, Abdi H (2010). Fisher's least significant difference (LSD) test. Encyclopedia of research design 218:840-853. |
|
Zamboni J (2018). How to calculate percent deviation. |
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