Achoja, F.O. (2013). Enterprise Shift Decision among Natural Rubber Plantation Owners In The Rain Forest Zone Of Delta State, Nigeria,Journal of Biology, Agriculture and Healthcare 3(2). 39-41.
 Adegeye, A..J.and Dittoh, J.S. (1985).Essentials of Agricultural Economics, Impact Publishers Nig. Ltd., 164-177.
 Ajuwon, S. S. (2004). Case Study: Conflict in Fadama Communities.Managing Conflict in Community Development. Session 5, Community Driven Development. Federal Ministry of Agriculture and Water 2004
 Boundless (2014). Calculating Real GDP. Boundless Economics. Retrieved 11 Jul. 2014 from https://www.boundless.com/economics/textbooks/boundless-economics-textbook/measuring-output-and-income-19/comparing-real-and-nominal-gdp-94/calculating-real-gdp-357-12454/
 Boserup, E.(1965). Conditions of Agricultural Change. Chicago, IL: Aldine USA.
 Bruce, J. (1999). Land Tenure in Project Design and Strategies for Agricultural Development in Sub- Saharan Africa. Land Tenure paperNo.128, 1999.
 Chubb, L.T. (1998). Ibo land tenure. Ibadan, Nigeria, University Press.
 Cleaver K.G. Schreaber (1993). The population, Agriculture, and Environment. Nexus in sub Saharan Africa, opposite Clt, in a strategy to Develop Agriculture in Sub-Saharan Africa and a focus for the World Bank.
 Couper, D. C. (1995). No Till Farming in The Humid and Sub Humid Tropics of Africa. IITA Research Guide 3.Training Programme, Institute of Tropical Agriculture Ibadan, Nigeria Third Edition. P 26
 Demont, M., Jouve, P., Stessens, J. and Tollens, E. (2007). Boserup versus Malthusrevisited: Evolution of Farming Systems in Northern CoˆTe d’Ivoire. Agricultural Systems, 93,215–228.
 Diao, X., Hazell, P. and Thurlow, J. (2010). The Role of Agriculture in African Development. World Development, 38 (10), 1375–1383
 Dietz, A. J; R. Ruben and A. Verhagen (2001).Impacts of Climate Change on Dry lands with a Focus on West Africa. Dutch National Research Programme on Global Air Pollution and Climate Change, Report No. 410200076. Wageningen: KCD Economic Intelligence Unit Annual Reports (1990, 2004, 2005).
 Encarta (2004). "Population" Redmond, WA: Microsoft Corporation.
 Eswaran, H.R. Lal and P.F. Reich (2001). Land degradation: An overview: In: Bridges, E.M., I.D. Hannam, L.R.Oldeman, F.W.T. Pening de Viries, S.J. Sherr S. Sompatpanit (Eds), Response to land degradation. Proceedings 2nd international conference on land degradation and desertification. New Delhi, India: Oxford Press.
 FAO. (2002). The effected of Land Use Intensification to Population Pressure. Progress Report on World Food Hunger, Rome.
 FAO, (2008). Land Use Intensification to Population Pressure. Rome.
 FAO, (2003). The state of food insecurity in the world (sof/2003). Rome: Food and Agricultural Organization.
 FAOSTAT (2013).Food and Agriculture Organisation Statistics
 Farming Matters (2010). Negotiating the Waters. Small Scale Agriculture for Sustainable Society. 26(3);44
 OsemeoboG.,(2003).Smallholder Farmers and Forestry Development: A Study of Rural Land use in Edo state, Nigeria,24 Agric. Systems 35; G. Osemeobo, Why People Don't GrowTrees: A Case Study of Nigerian Smallholders,29 Q. J. Agric. 309 (1990).
 Gefu, J.O. and Kolawole A. (2002). Conflict in Common Property Resource Use: Experiences from an Irrigation Project. Paper Prepared for 9th Conference of the International Association for the Study of Common Property. Indiana. [Retrieved in Oct, 2005 from http://d/c.dlib.Indiana.edu/achive/00000823/00/gefuj080502.pdf
 Gbadebo J. O. (2004). Impact of Land Use on Biodiversity Preservation in Nigerian Natural Ecosystems: A Review.
 Gollin, D. (2010). Agricultural Productivity and Economic Growth.Handbook of Agricultural Economics, 4, 3825–3866
 Gujarati (2004). Basic Econometrics, Fourth Edition. The McGraw−HillCompanies, India.
 Haan (2002). land use conflict. International Journal of Agriculture and Forestry 2(1), 46-52
 Hummel, D., Lux, A., Sherbinin, A.d. and Adamo, S.B. (2009). Theoretical andMethodological Issues in the Analysis of Population Dynamics and SupplySystem. Background Paper for the Population- Environment Research Network.
 Ingawa, S.A, Ega, L.A, and Erhabor, P. O. (1999). Farmer-Pastoralist Conflict in Core-states of the National Fadama Project, Federal Agricultural Co-ordinating Unit (FACU), Abuja.
 International Union for Conservation of Nature and Natural Resources, Nigeria(2001).Conserving of Biological Diversity (2001). 33(2), 34
 BruceJ.,(1999). Land Tenure in Project Design and Strategies for Agricultural Development in Sub-Saharan Africa. Land Tenure Paper No. 128, 1999.
 Jones (1992). Handbook of the International Comparison Programme, Studies in Methods, Series F, No. 62, United Nations Department of Economic and Social Development, Statistical Division, New York, 1992, Glossary.
 Kalipeni, E. (1996). Demographic Responses to Environmental Pressure in Malawi. Pulation and Environment: A Journal of Interdisciplinary Studies, 17(4), 285-308.
 Laspeyres index.(2010). Encyclopædia Britannica. Encyclopaedia Britannica Student and Home Edition. Chicago: Encyclopædia Britannica.
 Magnus.C.C.(2008). Organic Farming: An environmental friendly approach to agriculture pp1.
 National Agricultural Policy, (1988).
 Michel. S (2012). Carrying capacity of ecosystems and human demography. Michel Serres Institue for Resources and Public Goods.
 National Bureau of Statistics, Nigeria (2016). (NBS).
 National Population Commission (NPC) [Nigeria], (2004). Nigeria Demographic and Health Survey 2003. Calverton, Maryland: National Population Commission and ORC/ Macro.
 National Population Commission (NPC) [Nigeria], (2009). Nigeria Demographic and Health Survey 2008. Calverton, Maryland: National Population Commission and ORC/ Macro.
 National Bureau of Statistics, available at www.nigeriansta.gov.ng. Accessed on 12/10/2009.
 National Population Commision (2006). “Federal Republic of Nigeria Official Gazette” on Population Census. Vol 94, Printed and Published by the Federal Government Printer, Lagos Nigeria 15th May,2007.
 National Productivity Centre (1997): “Improving the Agric. Productivity of peasant farmers in Nigeria” Proceedings of National Workshop organised by the National Productivity Centre (NPC) in collaboration with the council of Nigeria farmers (CNF), Arewa House Kawo Kaduna. 25 – 27 Nov.
 NEST (Nigeria Environmental Study Action / Team) (1991). Nigeria’s Threatened Environment: A National Profile. Nigeria: NEST.
 Nwosu, C, Dike, A. O and Okwara, K. K (2014).The Effects of Population Growth on Economic Growth in Nigeria: The International Journal Of Engineering And Science (IJES) 3(11), 07-18
 Nyong, A and Fiki, C. (2005). “Droughts-Related Conflicts, Management and Resolution in the West African Sahel.” Human Security and Climate change International Workshop. Oslo; GECHS, CICERO and PR20.
 Oduwole.O. (2011). Effects of Population Growth on the Agricultural Output in Nigeria.
 Okike I, Jabbar M.A., Mayong U, Smith J.W., Akinwumi J.A, Ehui S.K. (2001). Agricultural Intensification and Efficiency in the West African Savannahs: Evidence from Northern Nigeria, Socio- Economics and Policy Research Working Paper 33. International Livestock Research Institute.
 Oladeebo, J.O and S.K. Adekilekun (2013). Land Use Intensity and Efficiency of Food Crops Production in Osun State of Nigeria Journal of Natural Sciences Research www.iiste.org 3(9), 89
 Orubuloye N, Oyeneye T. (1983). Effect of population growth on economic development. Nigeria Journal of Rural and Community Development, 6(1), 129–139
 Otsuka, K. (2001). Natural Resource Management in Selected Areas of Africa and Asia. Foundation for Advanced Studies on International Development, .1-32.
 Oyewole O. (2006). Effects ossf population growth in developing countries. Journal of Applied Sciences Research. 5(4), 354-358.
 Rashid S. A,(2008). Land Use Conflict between Farmers and Herdsmen – Implications for Agricultural and Rural Development in Nigeria.
 Ruthenberg. H (1980).Farming system in the Tropics. Oxford University Press: London. pp. 424
 Sherbinin, A. d., Carr, D., Cassels, S. and Jiang, L. (2007). Population and Environment. The Annual Review of Environment and Resources, 32, 345-373.
 Soumya M, (2010) revealed that increase in population is associated with increased land utilization for agricultural purposes.
 Soumya M, (2010). Population Growth, Changes in Land Use and Environmental Degradation in India Research Scholar, IIPS.
 Stock K. (1987). "Econometric modelling of the aggregate time-series relationship between consumers' expenditure and income in the United Kingdom". Economic journal 88 (352):, 661–692.
 Tiffen, M., M. Mortimore and F. Gichuki (1994): More People less Erosion. African Centre for Technology Studies: Nairobi, Kenya. 311
 Tomas N. (2005), the negative consequences of population growth. Journal of Sustainable Development in Africa 10(3), 1-27.
 United Nations, available at www.gazetteer.com. Accessed on 12/10/2009.
 United Nations Statistical Division. 2007. http://unstats.un.org/unsd/methods/icp/ipc7_htm.htm
 World Bank (1994), sub-Saharan Africa-from crisis to sustainable growth. World Bank, Washington DC U.S.A.
 World Bank (2016) Annual Report and Statistical data.