l Sustainable Agriculture and Food
Buttel F H. 2003. Internalising the societal costs of agricultural production. Plant Physiol 133, 1656–
1665
Byerlee D. 1998. Knowledge-intensive crop management technologies: Concepts, impacts and pros-
pects in Asian agriculture. In Pingali P and Hossain M (eds). Impacts of Rice Research. IRRI,
Manila
Caporali F, Mancinelli R and Campiglia E. 2003. Indicators of cropping system diversity in organic
and conventional farms in central Italy. Int J Agric Sustainability 1(1), 67–72
Carney D. 1998. Sustainable Rural Livelihoods. Department for International Development, London
Carson R. 1963. Silent Spring. Penguin Books, Harmondsworth
Carson R T. 2000. Contingent Valuation: A user’s guide. Environmental Science and Technology 34,
1413–1418
Cassman K G, Doberman A and Walters D T. 2002. Agroecosystems, nitrogen use efficiency and
nitrogen management. Ambio 31, 132–140
Cato M P. (1979) Di Agri Cultura. In Hooper W D (revised Ash H B). Translation of on Agriculture.
Harvard University Press, Cambridge, MA
Chambers R. 2005. Ideas for Development. Earthscan, London
Chambers R, Pacey A and Thrupp L A (eds). 1989. Farmer First: Farmer Innovation and Agricultural
Research. IT Publ, London
Champion G T, May M J, Bennett S, Brooks D R, Clark S J, Daniels R E, Firbank L G, Haughton A J,
Hawes C, Heard M S, Perry J N, Randle Z, Rossall M J, Rothery P, Skellern M P, Scott R J,
Squire G R and Thomas M R. 2003. Crop management and agronomic context of the Farm Scale
Evaluations of genetically modified herbicide-tolerant crops. Phil Trans Roy Soc Lond 358, 1801–
1818
Clements D and Shrestha A. 2004. New Dimensions in Agroecology. Food Products Press, Binghamp-
ton, NY
Coleman J. 1988. Social capital and the creation of human capital. American Journal of Sociology 94,
supplement S95–S120
Conway, G. 1985. Agroecosystem analysis. Agricultural Administration 20, 31–55
Conway G R. 1997. The Doubly Green Revolution. Penguin, London
Conway G R and Pretty J N. 1991. Unwelcome Harvest: Agriculture and Pollution. Earthscan, Lon-
don
Costanza R, d’Arge R, de Groot R, Farber S, Grasso M, Hannon B, Limburg K, Naeem S, O’Neil R V,
Paruelo J, Raskin R G, Sutton P and van den Belt M. 1997. The value of the world’s ecosystem
services and natural capital. Nature 387, 253–260
Cox T S, Picone C and Jackson W. 2004. Research priorities in natural systems agriculture. In Clem-
ents D and Shrestha A. New Dimensions in Agroecology. Food Products Press, Binghampton, NY
Cramb R A and Culaseno Z. 2003. Landcare and livelihoods: the promotion and adoption of conser-
vation farming systems in the Philippine uplands. Int J Agric Sustainability 1(2), 141–154
Crews T E and Peoples M B. 2004. Legume versus fertilizer sources of nitrogen: Ecological tradeoffs
and human needs. Agric Ecosys Environ 102(3), 279–297
Crissman C C, Antle J M and Capalbo S M (eds). 1998. Economic, Environmental and Health Tradeoffs
in Agriculture: Pesticides and the Sustainability of Andean Potato Production. CIP, Lima and Kluwer,
Boston
Cuyno L C M, Norton G W and Rola A. 2001. Economic analysis of environmental benefits of inte-
grated pest management. A Philippine case study. Agricultural Economics 25, 227–233
Daily G (ed). 1997. Nature’s Services: Societal Dependence on Natural Ecosystems. Island Press, Washing-
ton DC
Dalgaard T, Halberg N and Kristensen I S. 1998. Can organic farming help to reduce N-losses? Nutri-
ent Recycling in Agroecosystems 52, 277–287
Dalgaard T, Heidmann T and Mogensen L. 2002. Potential N-losses in three scenarios for conversion
to organic farming in a local area of Denmark. Eur J Agronomy 16, 207–217