in winter wheat yields since 1900 and associated physiological changes. J. Agric. Sci. Camb. 94:675-689.

Australian Government Biofuels Task Force. 2005. Rep. of the biofuels task force to the Prime Minister. Commonwealth of Australia, Barton.

AVRDC (The World Vegetable Center). 1987. AVRDC 1985 Progress Rep. Shanhua, Taiwan.

Awono, A., O. Ndoye, K. Schreckenberg, H. Tabuna, F. Isseri, and L. Temple. 2002. Production and marketing of Safou (Dacryodes edulis) in Cameroon and internationally: Market development issues. For. Trees Livelihoods 12:125-147.

Axinn, G.H. and Thorat, S. 1972. Modernising world agriculture: A comparative study of agricultural extension education systems. Praeger, NY.

Ayalew, W., J.M. King, E. Bruns, and B. Rischkowsky. 2001. Economic evaluation of smallholder subsistence livestock production: Lessons from an Ethiopian goat development program. Milano: The Fondazione Eni Enrico Mattei Note di Lavoro Series Index: 107. Available at (http:// www.feem.it/web/activ/_a ctiv.html.

Ayantunde, A.A., M. Kango, P. Hiernaux, H.M.J. Udo, and R. Tabo. 2007 Herders' perceptions on ruminant livestock breeds and breeding management in southwestern Niger, Human Ecol. (USA) 35:139-149.

Azzam, A., S. Azzam, S. Lhaloui, A. Amri, M. El Bouhssini, and M. Moussaoui. 1997. Economic returns to research in Hessian fly resistant bread wheat varieties in Morocco. J. Econ. Entomol. 90:1-5.

Babel, M.S., A. Dasgupta, and D.K. Nayak. 2005. A model for optimal allocation of water to competing demands, Water Res. Manage. 19:693-712.

Badgley, C., J. Moghtader, E. Quintero, E. Zakem, M.J. Chappell, K. Aviles-Vazquez, A. Samulon and I. Perfecto. 2007. Organic agriculture and the global food supply. Renewable Agriculture and Food Systems 22: 86-108.

Baenziger, P., W. Russell, G. Graef, and B. Campbell. 2006. Improving lives: 50 years of crop breeding, genetics, and cytology. Crop Sci. 46:2230-2244.

Bailis, R., M. Ezzati, and D.M. Kammen. 2005. Mortality and greenhouse gas impacts of biomass and petroleum energy futures in Africa. Science 308:98-103.

Baker, J.M., T.E. Ochsner, R.T. Venterea, and T.J. Griffis. 2007. Tillage and soil carbon sequestration - What do we really know? Agric. Ecosyst. and Environ. 118:1-5.

Bakker, M., R. Barker, R. Meinzen-Dick, F. Konradsen (ed) 1999. Multiple uses of water in irrigated areas: A case study from Sri Lanka. SWIM Pap. 8. IWMI, Colombo.

Balasubramanian, V., A.C. Morales, R.T. Cruz, and S. Abdulrachman. 1999. On-farm adaptation of knowledge-intensive nitrogen

management technologies for rice systems. Nutr. Cycl. Agroecosys. 53:59-69.

Balasubramanian, V., A.C. Morales, T.M. Thiyagarajan, R. Nagarajan, M. Babu, S. Abdulrachman, and L.H. Hai. 2000. Adoption of the chlorophyll meter (SPAD) technology for real-time N management in rice: A review. Int. Rice Res. Newsl. 25:4-8.

Balce, G.R., T.S. Tjaroko, and C.G. Zamora. 2003. Overview of biomass for power generation in Southeast Asia. ASEAN Center for Energy, Jakarta.

Balland, J., and J. Platteau. 1996. Halting degradation of natural resources: Is there a role for rural communities ? FAO, Rome and Clarendon Press, Oxford.

Bambaradeniya, C.N.B., and F.P. Amerasinghe. 2004. Biodiversity associated with the rice field agro-ecosystem in Asian Countries: A brief review. IWMI Working Pap. 63. IWMI, Colombo.

Banerjee, A., and E. Duflo 2005. Growth theory through the lens of development economics, p. 473-552. In Handbook Dev. Econ., Vol. 1a. Elsevier, Amsterdam.

Banerjee, R. 2006. Comparison of options for distributed generation in India. Energy Policy 24:101-11.

Bantilan, M.C.S., U.K. Deb, and S.N. Nigam. 2003. Impacts of genetic improvement in groundnut. p. 293-313. In R.E. Evenson and D. Gollin (ed) Crop variety improvement and its effect on productivity. CABI, Wallingford, UK.

Banziger, M., P. Setimela, D. Hodson, and B. Vivek. 2006. Breeding for improved abiotic stress tolerance in maize adapted to southern africa. Agric. Water Manage. 80:212-224.

Barbash, J.E., G.P. Thelin, D.W. Kolpin, and R.J. Gilliom. 1999. Distribution of major herbicides in ground water of the United States. Water Resources Investigation Rep. 98-4245. USGeolgical Survery, Washington DC.

Barbier, E.B. 1997. The economic determinants of land degradation in developing countries. Philos. Trans. R. Soc. Lond. B Biol. Sci. 352(1356):891-899.

Barbier, E.B. and M. Cox. 2002. Economic and demographic factors affecting mangrove loss in the coastal provinces of Thailand, 1979-1996. Ambio 31(4):351-357.

Baris, E., S. Rivera, Z. Boehmova, and S. Constant. 2006. Indoor air pollution in cold climates: The cases of Mongolia and China. Knowledge Exchange Ser. No. 8 Dec. ESMAP, World Bank, Washington DC.

Barr, A. 2002. The functional diversity and spillover effects of social capital. J. African Econ. 11(1):90-113.

Bartlett, A. 2004. Entry points for empowerment. A report for CARE Bangladesh. Available at http://www.communityipm.org/docs/Bartlett -EntryPoints-20Jun04.pdf.

Bass, S., and E. Morrison. 1994. Shifting cultivation in Thailand, Laos and

Vietnam: Regional overview and policy recommendations. Int. Inst. Environ. Dev., For. Land Use Ser. No. 2. IIED, London.

Bass, S., K. Thornber, M. Markopoulos, S. Roberts, and M. Grieg-Gran. 2001. Certification's impacts on forests, stakeholders and supply chains. IIED, London.

Bazile, D., 2006. State-farmer partnerships for seed diversity in Mali. Gatekeeper Ser., 127. IIED, London.

Bazzano, L.A., J. He, L.G. Ogden, C. Loria, S. Vupputuri, L. Myers, and P.K. Whelton. 2001. Legume consumption and risk of coronary heart disease in US men and women. Arch. Internal Med. 161:2573-2578.

Becker, M., and D.E. Johnson. 1999. Rice yield and productivity gaps in irrigated systems of the forest zone of Cote d'Ivoire. Field Crops Res. 60:201-208.

Beckie, H.J., G. Séguin-Swartz, H. Nair, S.I. Warwick, and E. Johnson. 2004. Multiple herbicide-resistant canola can be controlled by alternative herbicides. Weed Sci. 52: 152-157.

Beer, J., M. Ibrahim, and A. Schlonvoigt. 2000. Timber production in tropical agroforestry systems of Central America. p. 777-786. In Krishnapillay et al (ed) Forests and society: The role of research. Vol. 1 Subplenary Sessions. XXIIUFRO World Congress, Kuala Lumpur, 7-12 Aug 2000.

Belcher, B.M. 2003. What isn't an NTFP? Int. For. Rev. 5:161-168.

Benbrook, C.M. 2003. Impacts of genetically engineered crops on pesticide use in the United States: The first eight years. BioTech InfoNet Tech. Peper No 6. Available at www .biotech-info.net/technicalpaper6.html.

Benbrook, C.M. 2004. Genetically engineered crops and pesticide use in the United States: The first nine years. BioTech InfoNet Tech. Pap. 7. Available at www.biotech-info.net/ Full_version_first_nine.pdf.

Benbrook, C. 2005. Rust, resistance, run down soils, and rising costs — problems facing soybean producers in Argentina. [Online] www.greenpeace.org/interna tional_en/reports/ ex-summary ?item_id=715074&language _id=en.

Bene, C., and S. Heck. 2005a. Fish and food security in Africa. NAGA, WorldFish Center Quar. 28(3&4):14-18.

Bene, C., and S. Heck 2005b. Fisheries and the Millennium Development Goals:

Solutions for Africa. NAGA, WorldFish Center Q. 28(3&4):19-23.

Bengtsson, J., J. Ahnstrom, and A.C. Weibull. 2005. The effects of organic agriculture on biodiversity and abundance: a meta-analysis. J. Appl. Ecol. 42(2):261-269.

Bennett, J. 2006. Evaluation and deployment of transgenic varieties [Online] http://www . genera tioncp.org/arm/ARM06/day_1/ SP3_session/transgenic_varieties.pdf (verified Feb 07).

Bennett, R., Y. Ismael, S. Morse, and B. Shankar.