Barrett CB (2013). The Global Food Security Challenge Constraints, consequences and opportunities ahead. 1st International Conference on Global Food Security

Noordwijkerhout, The Netherlands 30 September 2013.

Destombes J (1999). Nutrition and Economic Destitution in Northern Ghana, 1930-1957. A Historical Perspective on Nutritional Economics. London School of Economics, Working Paper No. 49/99

FAO (1988). Traditional Food Plants. Rome: FAO.

FAO (1997). Farm Management for Asia: a Systems Approach. FAO Farm Systems Management Series – 13.

FAO (2001). Farming Systems and Poverty. Improving Farmers'

Livelihoods in a Changing World. FAO and World Bank. Rome and Washington D.C. 2001.

Fube HN, Djonga B (1987). Tropical vegetables in human nutrition: A case study of ndolé (bitterleaf) Vernonia calvoana (Hook). Acta-Horticulturae 198:199-205.
Crossref

Garrity D, Dixon J, Boffa J-M (2012). Understanding African Farming systems, science and policy implications. Food security in Africa: Bridging research and practice, Sydney 2012 P 30.

Ghana Irrigation Development Authority (2012). Ghana Agricultural Water Management and Investment Framework. Available: 

View. Accessed 1st September 2015

Ghana Living Standards Survey (GLSS) (2010). Ghana Living Standards Survey. Ghana Statistical Services.

Ghana Statistical Service (2008). The Ghana Living Standards Survey report, Accra.

Guarino L (Ed.) (1997). Traditional African Vegetables. Promoting the conservation and use of underutilized and neglected crops 16. Proceedings of the IPGRI International Workshop on Genetic Resources of Traditional Vegetables in Africa. Conservation and Use. ICRAF-HQ Nairobi Kenya, 1997

Gyasi EA (1995). Farming in Northern Ghana. ILEIA Newsletter 4(11):23.

Keatinge JDH, Yang RY, Hughes JA, Easdown WJ, Holmer R (2011). The importance of vegetables in ensuring both food and nutritional security in attainment of the millennium development goals. Food Secur. 3(4):491-501.
Crossref

Khan S, Hanjra MA, Mu J (2009). Water management and crop production for food security in China: A review. Agric. Water Manage. 96(3):349-360.
Crossref

Ministry of Food and Agriculture (2011). Agriculture in Ghana: Facts and Figures. Statistics, Research and Information Directorate (SRID), MoFA, Ghana.

Mirghani KA, Mohammed TI (1997). Indigenous vegetables of Sudan: production, utilization and conservation. In: L Guarino (Ed.). Traditional African Vegetables. Promoting the conservation and use of underutilized and neglected crops 16. Proceedings of the IPGRI International Workshop on Genetic Resources of Traditional Vegetables in Africa. ICRAF-HQ, Nairobi Kenya.

Shaner WW, Philipp PF, Schmehl WR (1982). Farming Systems Research and Development: Guidelines for Developing Countries, Westview, Boulder.

Udosen E (1995). Proximate and mineral composition of some Nigerian vegetables. Discov. Innov. 7(4):383-386.

Valipour M (2014). Land use policy and agricultural water management of the previous half of century in Africa. Appl. Water Sci. 
Crossref

Valipour M (2015). Variations of irrigated agriculture indicators in different continents from 1962 to 2011. Adv. Water Sci. Technol. 01:01-14.

World Bank (2008). World Development Report. Agriculture. World Bank, Washington DC.