• Ajzen, I., 1991. The theory of planned behavior. Organ. Behav. Hum. Decis. Process. 50, 179–211.
• Arslan, A., Mccarthy, N., Lipper, L., Asfaw, S., Cattaneo, A., 2013. Adoption and intensity of adoption of conservation farming practices in Zambia. "Agriculture, Ecosyst. Environ. doi:10.1016/j.agee.2013.08.017
• Bagozzi, R.P., 1984. Expectancy-value attitude models: an analysis of critical measurement issues. Int. J. Res. Mark. 1, 295–310.
• Baudron, F., Jaleta, M., Okitoi, O., Tegegn, A., 2013. Conservation agriculture in African mixed crop-livestock systems: Expanding the niche. "Agriculture, Ecosyst. Environ. doi:10.1016/j.agee.2013.08.020
• Beedell, J., Rehman, T., 2000. Using social-psychology models to understand farmers’ conservation behaviour. J. Rural Stud. 16, 117–127. doi:10.1016/S0743-0167(99)00043-1
• Beuchelt, T.D., Badstue, L., 2013. Gender , nutrition- and climate-smart food production : Opportunities and trade-offs 709–721. doi:10.1007/s12571-013-0290-8
• Burton, R.J.F., 2004. Reconceptualising the “ behavioural approach ” in agricultural studies : a socio-psychological perspective 20, 359–371. doi:10.1016/j.jrurstud.2003.12.001
• Chauhan, B.S., Singh, R.G., Mahajan, G., 2012. Ecology and management of weeds under conservation agriculture: A review. Crop Prot. 57–65.
• Conner, M., Armitage, C.J., 1998. Extending the theory of planned behavior: A review and avenues for further research. J. Appl. Soc. Psychol.
• Corbeels, M., Graaff, J. De, Hycenth, T., Penot, E., Baudron, F., Naudin, K., Andrieu, N., Chirat, G., Schuler, J., Nyagumbo, I., Rusinamhodzi, L., Traore, K., Dulla, H., Solomon, I., 2013. Understanding the impact and adoption of conservation agriculture in Africa: A multi-scale analysis. "Agriculture, Ecosyst. Environ. doi:10.1016/j.agee.2013.10.011
• Cronbach, L.J., 1951. Coefficient alpha and the internal structure of tests. Psychometrika 16, 297–334.
• De Graaff, J., A., A., Bodnár, F., Kessler, A., Posthumus, H., Tenge, A., 2008. Factors influencing adoption and continued use of long-term soil and water conservation measures in five developing countries. Appl. Geogr. 28, 271–280. doi:10.1016/j.apgeog.2008.05.001
• Eisinga, R., Grotenhuis, M. te, Pelzer, B., 2013. The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown? Int. J. Public Health 58, 637–42. doi:10.1007/s00038-012-0416-3
• Ellis-Jones, J., Mason, T., 1999. Livelihood strategies and assets of small farmers in the evaluation of soil and water management practices in the temperate inter-Andean valleys of Bolivia. Mt. Res. Dev. 19, 221–234.
• Fishbein, M., 1963. An investigation of relationships between beliefs about an object and the attitude toward that object. Hum. Relations 16, 233–240.
• Fishbein, M., Ajzen, I., 2010. Predicting and changing behavior; the reasoned action approach. Taylor & Francis Group, New York.
• Fishbein, M., Ajzen, I., 1975. Belief, attitude, intention, and behavior: An introduction to theory and research. Addison-Wesley, Reading.
• Gagné, C., Godin, G., 2000. The theory of planned behavior: Some measurement issues concerning belief-based variables. J. Appl. Soc. Psychol. 30, 2173–2193.
• Giller, K.E., Corbeels, M., Nyamangara, J., Triomphe, B., Affholder, F., Scopel, E., Tittonell, P., 2011. A research agenda to explore the role of conservation agriculture in African smallholder farming systems. F. Crop. Res. 124, 468–472. doi:10.1016/j.fcr.2011.04.010
• Giller, K.E., Witter, E., Corbeels, M., Tittonell, P., 2009. Conservation agriculture and smallholder farming in Africa: The heretics’ view. F. Crop. Res. 114, 23–34. doi:10.1016/j.fcr.2009.06.017
• Gowing, J.W., Palmer, M., 2008. Sustainable agricultural development in sub-Saharan Africa: the case for a paradigm shift in land husbandry. Soil Use Manag. 24, 92–99. doi:10.1111/j.1475-2743.2007.00137.x
• Hall, A., Janssen, W., Pehu, E., Rajalahti, R., 2007. Enhancing Agricultural Innovation, How to go beyond the strengthening of research systems. The World Bank, Washington, DC.
• Hobbs, P.R., Sayre, K., Gupta, R., 2008. The role of conservation agriculture in sustainable agriculture. Philos. Trans. R. Soc. Lond. B. Biol. Sci. 363, 543–55. doi:10.1098/rstb.2007.2169
• Kaiser, F.G., 2006. A moral extension of the theory of planned behavior: Norms and anticipated feelings of regret in conservationism. Pers. Individ. Dif. 41, 71–81. doi:10.1016/j.paid.2005.11.028
• Kaumbutho, P., Kienzle, J. (Eds.), 2007. Conservation agriculture as practised in Kenya: two case studies. African Conservation Tillage Network (ACT); Centre de Coopération Internationale de Recherche Agronomique pour le Développement; Food and Agriculture Organization of the United Nations, Nairobi.
• Knowler, D., Bradshaw, B., 2007. Farmers ’ adoption of conservation agriculture : A review and synthesis of recent research 32, 25–48. doi:10.1016/j.foodpol.2006.01.003
• Lynne, G.D., Franklin Casey, C., Hodges, A., Rahmani, M., 1995. Conservation technology adoption decisions and the theory of planned behavior. J. Econ. Psychol. 16, 581–598. doi:10.1016/0167-4870(95)00031-6
• Lynne, G.D., Shonkwiler, J.S., Rola, L.R., 1988. Improving attitude-behaviour prediction models with economic variables: farmer actions toward soil conservation. J. Soc. Psychol. 128, 19–28.
• Mazvimavi, K., Twomlow, S., 2009. Socioeconomic and institutional factors influencing adoption of conservation farming by vulnerable households in Zimbabwe. Agric. Syst. 101, 20–29. doi:10.1016/j.agsy.2009.02.002
• Min. of Agr., 2013. Laikipia East, Conservation Agriculture Brief. Nanyuki.
• Ndah, H.T., Schuler, J., Uthes, S., Zander, P., Triomphe, B., Mkomwa, S., Corbeels, M., 2015. Adoption Potential for Conservation Agriculture in Africa: A Newly Developed Assessment Approach (QAToCA) Applied in Kenya and Tanzania. L. Degrad. Dev. 26, 133–141. doi:10.1002/ldr.2191
• Notter, B., MacMillan, L., Viviroli, D., Weingartner, R., Liniger, H.-P., 2007. Impacts of environmental change on water resources in the Mt. Kenya region. J. Hydrol. 343, 266 – 278. doi:10.1016/j.jhydrol.2007.06.022
• Pelling, E.L., White, K.M., 2009. The theory of planned behavior applied to young people’s use of social networking Web sites. Cyberpsychol. Behav. 12, 755–9. doi:10.1089/cpb.2009.0109
• Posthumus, H., Pound, B., Andrieu, N., Triomphe, B., 2011. Enhancing adoption of conservation agriculture practices through co-innovation platforms in sub-Saharan Africa, in: 5th World Congress of Conservation Agriculture. Brisbane.
• Prager, K., Posthumus, H., 2010. Socio-economic factors influencing farmers’ adoption of soil conservation practices in europe, in: Napier, T.L. (Ed.), Human Dimensions of Soil and Water Conservation. Nova Science Publishers, Inc.
• Röling, N., 2009. Pathways for impact: scientists’ different perspectives on agricultural innovation. Int. J. Agric. Sustain. 83–94.
• Röling, N., Hounkonnou, D., Kossou, D., Kuyper, T.W., Nederlof, S., Sakyi-Dawson, O., Traoré, M., van Huis, A., 2012. Diagnosing the scope for innovation: Linking smallholder practices and institutional context. NJAS - Wageningen J. Life Sci. 60-63, 1–6. doi:10.1016/j.njas.2012.06.004
• Sijtsma, K., 2009. On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha. Psychometrika 74, 107–120. doi:10.1007/s11336-008-9101-0
• Ten Berge, J.M.F., Sočan, G., 2004. The greatest lower bound to the reliability of a test and the hypothesis of unidimensionality. Psychometrika 69, 613–625. doi:10.1007/BF02289858
• Tittonell, P., Scopel, E., Andrieu, N., Posthumus, H., Mapfumo, P., Corbeels, M., van Halsema, G.E., Lahmar, R., Lugandu, S., Rakotoarisoa, J., Mtambanengwe, F., Pound, B., Chikowo, R., Naudin, K., Triomphe, B., Mkomwa, S., 2012. Agroecology-based aggradation-conservation agriculture (ABACO): Targeting innovations to combat soil degradation and food insecurity in semi-arid Africa. F. Crop. Res. 132, 168–174. doi:10.1016/j.fcr.2011.12.011
• Trumbo, C.W., O’Keefe, G.J., 2005. Intention to Conserve Water: Environmental Values, Reasoned Action, and Information Effects Across Time. Soc. Nat. Resour. 18, 573–585. doi:10.1080/08941920590948002
• Ulrich, A., Ifejika Speranza, C., Roden, P., Kiteme, B., Wiesmann, U., Nüsser, M., 2012. Small-scale farming in semi-arid areas: Livelihood dynamics between 1997 and 2010 in Laikipia, Kenya. J. Rural Stud. 28, 241–251. doi:10.1016/j.jrurstud.2012.02.003
• Van Hulst, F.J., Posthumus, H., 2014. Understanding (non-)adoption of CA: contributions from Social Psychology, in: 1st Africa Congress on Conservation Agriculture. Lusaka.
• Wauters, E., Bielders, C., Poesen, J., Govers, G., Mathijs, E., 2010. Adoption of soil conservation practices in Belgium: An examination of the theory of planned behaviour in the agri-environmental domain. Land use policy 27, 86–94. doi:10.1016/j.landusepol.2009.02.009
• Yazdanpanah, M., Hayati, D., Hochrainer-Stigler, S., Zamani, G.H., 2014. Understanding farmers’ intention and behavior regarding water conservation in the Middle-East and North Africa: a case study in Iran. J. Environ. Manage. 135, 63–72. doi:10.1016/j.jenvman.2014.01.016