• Bender MM, Berge AJ. 1979. Influence of N and K fertilization and growth temperature on 13C/12C ratios o f Pimothy (Phleum pratense L.). Oecologia (Berl.) 44: 117118.
  • Condon AG, Farquhar GD, Richards RA. 1990. Genotypic variation m carbon isotope discrimination and transpiration efficiency in wheat. Leaf gas exchange and whole plant studies. Australian Journal of Plant Physiology 17: 922.
  • Correia MJ, Torres F., Pereira JS. 1989. Water and nutrient supply regimes and the water relations of juvenile leaves of Eucalyptus globulus. Tree Physiology 5: 459471.
  • Ehleringer JR, Klassen S., Clayton C., Sherrill D., Fuller-Holbrook M., Fu K., Cooper TA. 1991. Carbon isotope discrimination and transpiration efficiency in common bean. Crop Science 31: 16111615.
  • Farquhar GD, Ehleringer JR, Hubick KT. 1989. Carbon isotope discrimination and photosynthesis. Annual Review of Plant Physiology and Plant Molecular Biology 40: 503537.
  • Farquhar GD, Richards RA. 1984. Isotopic composition of plant carbon correlates with water-use efficiency of wheat genotypes. Australian Journal of Plant Physiology 11: 539552.
  • Fiedler HJ, Czerney P. 1970. Vergleichende Untersuchungen zum Ernährungszustand junger Eichen (Quercus robur) im staatlichen Forstbetrieb Oschatz. Archiv für Forstwesen 19: 963979.
  • Field C., Mooney HA. 1986. The photosynthesis–nitrogen relationship in wild plants. In: Givnish, TJ, ed. On the Economy of Plant Form and Function. New York : Cambridge University Press, 2555.
  • Fu QA, Bouton TW, Ehleringer JR, Flager RB. 1993. Environmental and developmental effects on carbon isotope discrimination by two species of Phaseolus. In: Ehleringer, JR, Hall, AE, Earquhar, GD, eds. Stable Isotopes and Plant Carbon–Water Relations. London : Academic Press, 297309.
  • Green TH, Mitchell RJ. 1992. Effects of nitrogen on the response of loblolly pine to water stress. New Phytologist 122: 627633.
  • Guehl JM, Garbaye J. 1990. The effects of ectomycorrhizal status on carbon dioxide assimilation capacity, water use efficiency and response to transplanting in seedlings of Pseudotsuga menziesii (mirb) Franco. Annales des Sciences Forestïeres 21: 551563.
  • Guehl JM, Picon C., Aussenac G., Gross P. 1994. Interactive effects of elevated CO2 and soil drought on growth and transpiration efficiency and its determinants in two European forest tree species. Tree Physiology 14: 707724.
  • Guinaudeau J., Illy G., Maugé JP, Dumas F. 1963. Essai de fertilisation minérale sur pin maritime à Mimizan (Landes). Annales de l' Ecole Rationale des Eaux et Forêts et de la Station de Recherches et Expériences, XX.
  • Hubick KT, Shorter R., Farquhar GD. 1988. Heritability and genotype × environment interactions of carbon isotope discrimination and transpiration efficiency in peanut (Arachis hypogaea L.). Australian Journal of Plant Physiology 15: 799813.
  • Lajtha K., Getz J. 1993. Photosynthesis and water-use efficiency in Pinyon–Juniper communities along an elevation gradient in Northern New Mexico. Oecologia (Berlin) 94: 95101.
  • Linder S., Benson ML, Myers BJ, Raison RJ. 1987. Canopy dynamics and growth of Pinus radiata. I. Effects of irrigation and fertilization during a drought. Canadian Journal of Forest Research 17: 11571165.
  • Martin B., Thorstenson Y. 1988. Stable carbon isotope composition (δ13C), water-use efficiency and biomass productivity of Lycopersicon esculentum, Lycopersicon pennelli and the F1 hybrid. Plant Physiology 88: 213217.
  • Matyssek R. 1986. Carbon, water and nitrogen relations in evergreen and deciduous conifers. Tree Physiology 2: 177187.
  • Millard P., Proe MF. 1993. Nitrogen uptake, partitioning and internal cycling in Picea sitchensis (Bong.) Carr. as influenced by nitrogen supply. New Phytologist 125: 113119.
  • Mitchell AK, Hinckley TM. 1993. Effects of foliar nitrogen concentration on photosynthesis and water use efficiency in Douglas-fir. Tree Physiology 12: 403410.
  • Osorio J., Pereira JS. 1994. Genotypic differences in water use efficiency and 13C discrimination in Eucalyptus globulus. Tree Physiology 14: 871882.
  • Reich PB, Walters MB, Tabone TJ. 1989. Response of Ulmus americana seedlings to varying nitrogen and water status. 2. Water and nitrogen use efficiency in photosynthesis. Tree Physiology 5: 173184.
  • Sheriff DW, Nambiar EKS, Fife DN. 1986. Relationships between nutrient status, carbon assimilation and water use efficiency in Pinus radtata (D. Don) needles. Tree Physiology 2: 7388.
  • Stark N. 1992. The effects of water and multi-nutrient stress on xylem sap chemistry, photosynthesis and transpiration of seedlings of two eucalyptus. Trees Structure and Function 6: 712.
  • Wong SC, Cowan IR, Farquhar GD. 1979. Stomatal conductance correlates with photosynthetic capacity. Nature 282: 424426.