Kim, J. and D.C. Rees. 1992. Structural models for the metal centers in the nitrogenase molybdenum-iron protein. Science 257:1677-1682.

Ladha, J.K., T. George, and B.B. Bohlool, eds. 1992. Biological Nitrogen Fixation for Sustainable Agriculture. Boston: Kluwer Academic Publishers.

Lima, E., R.M. Boddey, and J. Döbereiner. 1987. Quantification of biological nitrogen fixation associated with sugar cane using a 15N-aided nitrogen balance. Soil Biol. Biochem. 19:165-170.

Lu, J., S. Temnykh, T.A. LaRue, and N.F. Weeden. 1993. Mapping symbiosis genes of pea. Pp. 360 in New Horizons in Nitrogen Fixation. R. Palacios, J. Mora, and W.E. Newton, eds. Boston: Kluwer Academic.

Merrick, M.J. 1992. Regulation of nitrogen fixation genes in free-living and symbiotic bacteria. Pp. 835-876 in Biological Nitrogen Fixation. G. Stacey, R.H. Burris, and H.J. Evans, eds. New York: Chapman and Hall.

Nap, J.P. and T. Bisseling. 1990. Developmental biology of a plant-prokaryote symbiosis: The legume root nodule. Science 250:948-954.

National Research Council. 1989. Diet and Health. Washington, D.C.: National Academy Press.

National Research Council. 1993. Sustainable Agriculture and the Environment in the Humid Tropics. Washington, D.C.: National Academy Press.

Paula, M.A., S. Urquiaga, J.O. Sigueira, and J. Döbereiner. 1992. Synergistic effects of VAM fungi and diazotrophic bacteria on nutrition and growth of sweet potato (Ipomoea batatas). Biol. Fertil. Soils 14:61-66.

Peoples, M.B. and D.F. Herridge. 1990. Nitrogen fixation by legumes in tropical and subtropical agriculture Adv. Agron. 44:155-223.

Pimentel, D., L.E. Hurd, A.C. Bellotti, M.J. Foster, I.N. Oka, O.D. Sholes, and R.J. Whitman. 1973. Food production and the energy crisis. Science 182:443.

Rerkasem, B., K. Rerkasem, M.B. Peoples, D.F. Herridge, and F.J. Bergersen. 1988. Measurement of N2 fixation in maize (Zea mays L.)—ricebean (Vigna umbellata [Thumb.] Ohwi and Ohashi) intercrops. Plant and Soil 108:125-135.

Roger, P.A. and I. Watanabe. 1986. Technologies for utilizing biological nitrogen fixation in wetland rice: Potentialities current usage and limiting factors. Fert. Res. 9:39-77.

Sims, J.R., W.C. Lindemann, R.S. Smith, S.H. West, and L.R. Frederick. 1984. Biological nitrogen fixation research and technology assessment for Egypt: I. Scientists, publications, and extension. Jour. Agronomic Ed. 13:19-23.

Smith, R.S. 1987. Production and quality control of inoculants. Pp. 391-411 in Symbiotic Nitrogen Fixation Technology. G.E. Elkan, ed. New York: Marcel Dekker, Inc.

Smith, R.S. 1992. Legume inoculant formulation and application. Can. J. Microbial. 38:485-492.

Tauer, L.W. 1989. Economic impact of future biological nitrogen fixation technologies in U.S. agriculture. Plant and Soil 119:261-270.

Thies, J.E., P.W. Singleton, and B.B. Bohlool. 1991. Modeling symbiotic performance of introduced rhizobia in the field by use of indices of indigenous population size and nitrogen status of the soil. Appl. Environ. Microbiol. 57:29-37.

Urquiaga, S., K.H.S. Cruz, and R.M. Boddey. 1992. Contribution of nitrogen fixation to sugar cane: Nitrogen-15 and nitrogen-balance estimates. Soil Sci. Soc. Amer. Proc. 56:105-114.

Vitousek, P.M. and P.A. Matson. 1993. Agriculture, the global nitrogen cycle, and trace gas flux. Pp. 193-208 in Biogeochemistry of Global Change, Radiatively Active Trace Gases. New York: Chapman & Hall.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement