Zeder, M.A. (2008) Domestication and Early Agriculture in the Mediterranean Basin: Origins, Diffusion, and Impact. Proceedings of the National Academy of Science of the United States of America, 105, 11597-11604.
 Smith, R.C.G. and Harris, H.C. (1981) Environmental Resources and Restraints to Agricultural Production in a Mediterranean-Type Environment. Plant Soil, 58, 31-57.
 Ryan, J., Singh, M. and Pala, M. (2008) Long-Term Cereal-Based Rotation Trials in the Mediterranean Region: Implications for Cropping Sustainability. Advances in Agronomy, 97, 273-319.
 Pala, M., Harris, H.C., Ryan, J., Makboul, R. and Dozom, S. (2000) Tillage Systems and Stubble Management in a Mediterranean-Type Environment in Relation to Crop Yields and Soil Moisture. Experimental Agriculture, 36, 232242. http://dx.doi.org/10.1017/S0014479700002052
 Piggin, C., Haddad, A. and Khalil, Y. (2011) Development and Promotion of Zero Tillage in Iraq and Syria. Proceedings of 5th World Congress on Conservation Agriculture, Brisbane, 26-29 September 2011, 304-305.
 Sommer, R., Ryan, J., Masri, S., Singh, M. and Diekmann, J. (2011) Effect of Shallow Tillage, Mouldboard Ploughing, Straw Management and Compost Addition on Soil Organic Matter and Nitrogen in a Dryland Barley/Wheat-Vetch Rotation. Soil & Tillage Research, 115, 39-46. http://dx.doi.org/10.1016/j.still.2011.06.003
 Ryan, J., Sommer, R. and Ibrikci, H. (2012) Fertilizer Best Management Practices: A Perspective from the Dryland West Asia-North Africa Region. Journal of Agronomy and Crop Science, 198, 57-67.
 Derpsch, R. and Friedrich, T. (2009) Development and Current Status of No-Till Adoption in the World. Proceeding on CD. 18th Triennial Conference of the International Soil Tillage Research Organization (ISTRO), Izmir, 15-19 June 2009.
 Derpsch, R., Friedrich, T., Kassam, A. and Hongwen, L. (2010) Current Status of Adoption of No-Till Farming in the World and Some of Its Main Benefits. International Journal of Agricultural and Biological Engineering, 3, 1-25.
 Blevins, R.L. and Frye, W.W. (1993) Conservation Tillage: An Ecological Approach to Soil Management. Advances in Agronomy, 51, 33-78.
 Hobbs, P.R., Sayre, K. and Gupta, R. (2008) The Role of Conservation Agriculture in Sustainable Agriculture. Philosophical Transactions of the Royal Society B, 363, 543-555.
 Friedrich, T., Derpsch, R. and Kassam, A. (2012) Overview of the Global Spread of Conservation Agriculture. Field Actions Science Reports (Online), Special Issue 6.
 Lal, R. (2010) Beyond Copenhagen: Mitigating Climate Change and Achieving Food Security through Soil Carbon Sequestration. Food Security, 2, 169-177. http://dx.doi.org/10.1007/s12571-010-0060-9
 Sommer, R. and De Pauw, E. (2011) Soil carbon Sequestration—Can It Take the Heat of Global Warming? In: Solh, M. and Saxena, M.C., Eds., Food Security and Climate Change in Dry Areas: Proceedings of an International Conference, Amman, 1-4 February 2010, 291-298.
 Mrabet, R., Moussadek, R., Fadlaoui, A. and van Ranst, E. (2012) Conservation Agriculture in Dry Areas of Morocco. Field Crops Research, 132, 84-94. http://dx.doi.org/10.1016/j.fcr.2011.11.017
 Thomson, E.F., Bahhady, F.A. and Martin, A. (1989) Sheep Husbandry at the Cultivated Margin of the North-West Syrian Steppe. International Center for Agricultural Research in the Dry Areas (ICARDA), Aleppo, 92 p.
 Rischkowsky, B., Thomson, E.F., Shnayien, R. and King, J.M. (2004) Mixed Farming Systems in Transition: The Case of Five Villages along a Rainfall Gradient in North-West Syria. Experimental Agriculture, 40, 109-126.
 Iniguez, L. and Aw-Hassan, A. (2005) The Sheep and Goat Dairy Sector in Mediterranean West Asia and North Africa (WANA). Proceedings of an International Symposium, Zaragoza, 28-30 October 2004, 13-22.
 Nordblom, T.L. (1987) The Importance of Crop Residues as Feed Resources in West Asia and North Africa. In: Reed, J.D., Capper, B.S. and Neate, P.J.H., Eds., Plant Breeding and the Nutritive Value of Crop Residues: Proceedings of a Workshop Held at ILCA, Addis Ababa, 7-10 December 1987, 41-63.
 Magnan, N., Larson, D.M. and Taylor, J.E. (2012) Stuck on Stubble? The Non-Market Value of Agricultural Byproducts for Diversified Farmers in Morocco. American Journal of Agricultural Economics, 94, 1055-1069.
 Bescansa, P., Imaz, M.J., Virto, I., Enrique, A. and Hoogmoed, W.B. (2006) Soil Water Retention as Affected by Tillage and Residue Management in Semiarid Spain. Soil & Tillage Research, 87, 19-27.
 Ryan, J., Singh, M., Pala, M., Makhboul, R., Masri, S., Harris, H.C. and Sommer, R. (2010) Crop Sequences, Nitrogen Fertilizer and Grazing Intensity in Relation to Wheat Yields in Rainfed Systems. Journal of Agricultural Science, 148, 205-216. http://dx.doi.org/10.1017/S0021859609990566
 Ryan, J., Masri, S., Garabet, S., Diekmann, J. and Habib, H. (1997) Soils of ICARDA’s Agricultural Experiment Stations and Sites: Climate, Classification, Physical and Chemical Properties, and Land Use. Technical Bulletin, International Center for Agricultural Research in the Dry Areas (ICARDA), Aleppo.
 Estefan, G., Sommer, R. and Ryan, J. (2014) Analytical Methods for Soil-Plant and Water in the Dry Areas. A Manual of Relevance to the West Asia and North Africa Region. 3rd Edition, International Center for Agricultural Research in the Dry Areas, Aleppo, 255 p.
 Shimonaka, K., Sommer, R. and Yamamoto, S. (2010) Effect of Tillage and Residue Management on Selected Soil Quality Indicators under Mediterranean Conditions. ASA-CSSA-SSSA 2010 Annual Meetings, Long Beach, 31 October3 November 2010.
 Shimonaka, K., Sommer, R. and Yamamoto, S. (2011) Characterization of Stable Soil Organic Fractions As Means Of Carbon Sequestration In Conservation Agriculture Systems Under Semi-Arid Mediterranean Region. International Workshop on Dryland Science for Food Security and Natural Resource Management under Changing Climate, Konya, 7-9 December 2011.
 Nimmo, J.R., Schmidt, K., Perkins, K.S. and Stock, J.D. (2009) Rapid Measurement of Field-Saturated Hydraulic Conductivity for Areal Characterization. Vadose Zone Journal, 8, 142-149.
 Sommer, R. and Ryan, J. (2009) Using the CropSyst Model for Assessing Soil Organic Carbon Sequestration of a Clayey Xerochrept under Continuous Wheat and Partial Residue Retention. 10th International Meeting on Soils with Mediterranean Type of Climate—Soil Conservation and Protection is the Basis for Sustainable Land Management, Beirut, 23-26 June 2009, 101-106.
 Sommer, R. and De Pauw, E. (2011) Organic Carbon in Soils of Central Asia—Status Quo and Potentials for Sequestration. Plant Soil, 338, 273-288. http://dx.doi.org/10.1007/s11104-010-0479-y
 Imaz, M.J., Virto, I., Bescansa, P., Enrique, A., Fernandez-Ugalde, O. and Karlen, D.L. (2010) Soil Quality Indicator Response to Tillage and Residue Management on Semi-Arid Mediterranean Cropland. Soil and Tillage Research, 107, 17-25. http://dx.doi.org/10.1016/j.still.2010.02.003
 López-Fando, C. and Almendros, G. (1995) Interactive Effects of Tillage and Crop Rotations on Yield and Chemical Properties of Semiarid Soil in Central Spain. Soil and Tillage Research, 36, 45-57.
 Pradhan, P.R., Pandey, R.N., Behera, U.K., Swarup, A., Datta, S.C. and Dwivedi, B.S. (2011) Tillage and Crop Residue Management Practices on Crop Productivity, Phosphorus Uptake and Forms in Wheat (Triticum aestivum)-Based Cropping Systems. Indian Journal of Agricultural Sciences, 81, 1168-1173.
 Zamuner, E.C., Picone, L.I. and Echeverria, H.E. (2008) Organic and Inorganic Phosphorus in Mollisol Soil under Different Tillage Practices. Soil and Tillage Research, 99, 131-138. http://dx.doi.org/10.1016/j.still.2007.12.006
 Silgram, M. and Shepherd, M.A. (1999) The Effects of Cultivation on Soil Nitrogen Mineralization. Advances in Agronomy, 65, 267-311. http://dx.doi.org/10.1016/S0065-2113(08)60915-3
 Malhi, S.S., Grant, C.A., Johnston, A.M. and Gill, K.S. (2001) Nitrogen Fertilization Management for No-Till Cereal Production in the Canadian Great Plains: A Review. Soil and Tillage Research, 60, 101-122.
 Alvarez, R. and Steinbach, H.S. (2009) A Review of the Effects of Tillage Systems on Some Soil Physical Properties, Water Content, Nitrate Availability and Crops Yield in the Argentine Pampas. Soil and Tillage Research, 104, 1-15.
 Hajabbasi, M.A. and Hemmat, A. (2000) Tillage Impacts on Aggregate Stability and Crop Productivity in a Clay-Loam Soil in Central Iran. Soil and Tillage Research, 56, 205-212. http://dx.doi.org/10.1016/S0167-1987(00)00140-9
 Mrabet, R., Saber, N., El-Brahli, A., Lahlou, S. and Bessam, F. (2001) Total, Particulate Organic Matter and Structural Stability of a Calcixeroll Soil under Different Wheat Rotations and Tillage Systems in a Semiarid Area of Morocco. Soil and Tillage Research, 57, 225-235. http://dx.doi.org/10.1016/S0167-1987(00)00180-X
 Chan, K.Y., Heenan, D.P. and Oates, A. (2002) Soil Carbon Fractions and Relationship to Soil Quality under Different Tillage and Stubble Management. Soil and Tillage Research, 63, 133-139.
 Hernanz, J.L., López, R., Navarrete, L. and Sánchez-Girón, V. (2002) Long-Term Effects of Tillage Systems and Rotations on Soil Structural Stability and Organic Carbon Stratification in Semiarid Central Spain. Soil and Tillage Research, 66, 129-141. http://dx.doi.org/10.1016/S0167-1987(02)00021-1
 Ayuke, F.O., Brussaard, L., Vanlauwe, B., Six, J., Lelei, D.K., Kibunja, C.N. and Pulleman, M.M. (2011) Soil Fertility Management: Impacts on Soil Macrofauna, Soil Aggregation and Soil Organic Matter Allocation. Applied Soil Ecology, 48, 53-62. http://dx.doi.org/10.1016/j.apsoil.2011.02.001
 Paul, B.K., Vanlauwe, B., Ayuke, F., Gassner, A., Hoogmoed, M., Hurisso, T.T., Koala, S., Lelei, D., Ndabamenye, T., Six, J. and Pulleman, M.M. (2013) Medium-Term Impact of Tillage and Residue Management on Soil Aggregate Stability, Soil Carbon and Crop Productivity. Agriculture, Ecosystems & Environment, 164, 14-22.
 Sommer, R., Piggin, C., Haddad, A., Hajdibo, A., Hayek, P. and Khalil, Y. (2012) Simulating the Effects of Minimum Tillage and Crop Residue Retention on Water Relations and Yield of Wheat under Rainfed Semiarid Mediterranean Conditions. Field Crops Research, 132, 40-52.
 Ehlers, W. (1975) Observations on Earthworm Channels and Infiltration on Tilled and Untilled Loess Soil. Soil Science, 119, 242-249. http://dx.doi.org/10.1097/00010694-197503000-00010
 Dao, T.H. (1993) Tillage and Winter Wheat Residue Management Effects on Water Infiltration and Storage. Soil Science Society of America Journal, 57, 1586-1595.
 Hatfield, J.L., Sauer, T.J. and Prueger, J.H. (2001) Managing Soils to Achieve Greater Water Use Efficiency. Agronomy Journal, 93, 271-280. http://dx.doi.org/10.2134/agronj2001.932271x
 Bissett, M.J. and O’Leary, G.J. (1996) Effects of Conservation Tillage and Rotation on Water Infiltration in Two Soils in South-Eastern Australia. Australian Journal of Soil Research, 34, 299-308. http://dx.doi.org/10.1071/SR9960299
 Zhang, S.L., Simelton, E., Lovdahl, L., Grip, H. and Chen, D.L. (2007) Simulated Long-Term Effects of Different Soil Management Regimes on the Water Balance in the Loess Plateau, China. Field Crops Research, 100, 311-319.
 Lipiec, J., Kus, J., Slowińska-Jurkiewicz, A. and Nosalewicz, A. (2006) Soil Porosity and Water Infiltration as Influenced by Tillage Methods. Soil and Tillage Research, 89, 210-220.
 Verhulst, N., Govaerts, B., Verachtert, E., Castellanos-Navarrete, A., Mezzalama, M., Wall, P., Deckers, J. and Sayre, K.D. (2010) Conservation Agriculture, Improving Soil Quality for Sustainable Production Systems? In: Lal, R. and Stewart, B.A., Eds., Advances in Soil Science: Food Security and Soil Quality, CRC Press, Boca Raton, 137-208.
 Jones, O. Hauser, V.L. and Popham, T.W. (1994) No-Tillage Effects on Infiltration, Runoff, and Water Conservation on Dryland. Transactions of the ASABE, 37, 473-479.
 Sasal, M.C., Andriuloa, A.E. and Taboada, M.A. (2006) Soil Porosity Characteristics and Water Movement under Zero Tillage in Silty Soils in Argentinian Pampas. Soil and Tillage Research, 87, 9-18.
 Sommer, R., Wall, P.C. and Govaerts, B. (2007) Model-Based Assessment of Maize Cropping under Conventional and Conservation Agriculture in Highland Mexico. Soil and Tillage Research, 94, 83-100.
 Verhulst, N., Nelissen, V., Jespers, N., Haven, H., Sayre, K.D., Raes, D., Deckers, J. and Govaerts, B. (2011) Soil Water Content, Maize Yield and Its Stability as Affected by Tillage and Crop Residue Management in Rainfed Semi-Arid Highlands. Plant and Soil, 344, 73-85.