Ajtay, G. L., P. Ketnerand, and P. Duvigneaud. 1979. Pages 129-182 in B. Bolin, E. T. Degens, S. Kempe, and P. Ketner. The global carbon cycle. John Wiley, New York, New York, USA
Andersen, M. N., C. R. Jensen, and R. Lösch. 1992. The interaction effects of potassium and drought in field-grown barley. I. Yield, water-use efficiency and growth. Acta Agriculturae Scandinavica 42:34-44.
Angell, R. F., and R. F. Miller. 1994. Simulation of leaf conductance and transpiration in Juniperus occidentalis. Forest Science 40:5-17.
Armstrong, E. L., J. S. Pate, and D. Tennant. 1994. Water use and root growth in field pea. Austrailian Journal of Plant Physiology 21:517-532.
Ashley, D. A. 1983. Pages 389-422 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Baker, R. E., A. B. Frank, and J. D. Berdahl. 1989. Cultivar and clonal differenceces for water-use efficiency and yield in four forage grasses. Crop Science 29:58-61.
Barros, L.C.G., and R. J. Hanks. 1993. Evapotranspiration and yield as affected by mulch and irrigation. Agronomy Journal 85:692-697.
Beech, D. F., and G. J. Leach. 1989. Comparative growth, water-use, and yield of chickpea, safflower, and wheat in south-eastern Queensland. Australian Journal of Experimental Agriculture 29:655-662.
Bhan, S., M. Balaraju, and V. Ram. 1980. Water use, yield, and quality of rapeseed as influenced by spacing, irrigation and time of harvest when raised in a multiple-cropping system. Indian Journal of Agricultural Science 50:760-763.
Black, C. C. 1971. Ecological implications of dividing plants into groups with distinct photosynthetic production capabilities. Advances in Ecological Research 7:87-110.
Black, T. A., G. Denhartog, H. H. Neuman, P. D. Blanken, P. C. Yang, C. Russell, Z. Nesic, X. Lee, S. G. Chen, R. Staehler, M. D. Novak. 1996. Annual cycles of water vapour and carbon dioxide fluxes in and above a boreal aspen forest. Global Change Biology 2-3:219-229.
Boeye, D., and R. F Verheyen. 1992. The hydrological balance of a groundwater discharge fen. Journal of Hydrology 137:149-163.
Bokhari, U. G., and J. S Singh. 1975. Standing state and cycling of nitrogen in soil-vegetation components of prairie ecosystems. Annual Botany 39:273-285.
Bolger, T. P., and A. G. Matches. 1990. Water-use efficiency and yield of safoin and alfalfa. Crop Science 30:143-148.
Boote, K. J. 1983. Pages 255-286 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Branson, F. A, R. F. Millerand, and I. S. McQueen. 1969. Plant communities and associated soil and water factors on shale-derived soils in northeastern Montana. Ecology 51:391-407.
Brown, S. C., P. J.Gregory, and A. Wahbi. 1987. Pages 275-283 in J. P. Srivastava, E. Porceddu, E. Acevedo, and S. Varma, editors. Drought tolerance in winter cereals. John Wiley, Chichester, UK.
Bucks, D. A., F. S. Nakayama, and O. F. French. 1984. Water management for guayule rubber production. Transactions of the ASAE. 27:1763-1770.
Bucks, D. A., F. S.Nakayama, O. F. French, W. W. Legard, and W. L Alexander. 1985. Irrigated guayule - production and water use relationships. Agricultural Water Management 10:95-102.
Carlson, D. H., T. L. Thurow, R. W. Knight, and R. K. Heitschmidt. 1990. Effect on honey mesquite on the water balance of Texas Rolling Plains rangeland. Journal of Range Management 43:491-496.
Dolan, T. J., A. J. Hermann, S. E. Bayley, and J. Zoltek. 1984. Evapotranspiration of a Florida, U.S.A., freshwater wetland. Journal of Hydrology 74:355-371.
Doorenbos, J., and A. H. Kassam. 1979. Yield response to water. FAO Irrigation and Drainage Paper, Rome, Italy.
Entz, M. H., and D. B. Fowler. 1991. Agronomic performance of winter versus spring wheat. Agronomy Journal 83:527-532.
FAO. 1995. World agriculture: towards 2010. N. Alexandratos, editor. John Wiley, Chichester, UK.
Faostat. 1997. Electronic database available on the internet http://apps.fao.org. FAO, Statistics Division, Rome, Italy. [Data taken 09/26/97.]
Frank, D. A., and R. S. Inouye. 1994. Temporal variation in actual evapotranspiration of terrestrial ecosystems: patterns and ecological implications. Journal of Biogeography 21:401-411.
Gascho, G. J., and S. F. Shih. 1983. Pages 445-480 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Gehrels, J., and G. Mulamoottil. 1990. Hydrologic processes in a southern Ontario wetland. Hydrobiologia 208:221-234.
Gilvear, D. J., R. Andrews, J. H.Tellam, J. W. Lloyd, and D. N. Lerner. 1993. Quantification of the water balance and hydrogeological processes in the vicinity of a small groundwater-fed wetland, East Anglia, UK. Journal of Hydrology 144:311-334.
Gleick, P. H. 1996. Basic water requirements for human activities: meeting basic needs. Water International 218392.
Gregory, P. J. 1988. Pages 171-175 in Proceedings of a Conference on Dryland Farming, Amarillo/Bushland, Texas, August 1988. Challenges in dryland agriculture: a global perspective. Texas A & M University Press, Texas, USA.
Grimes, D. W., H. Yamada, and W. L. Dickens. 1969. Functions for cotton (Gossypium hirsutum L.) production from irrigation and nitrogen fertilization variables: I. Yield and evapotranspiration. Agronomy Journal 61:769-773.
Hattendorf, M. J., M. S. Redselfs, B. Amos, L. R. Stone, and R. E Gwin, Jr. 1988. Comparative water use characteristics of six row crops. Agronomy Journal 80:80-85
Hearn, A. B. 1980. Water relationships in cotton. Outlook Agriculture 10:159-166.
Heichel, G. H. 1983. Pages 127-156 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Heitholt, J. J. 1989. Water use efficiency and dry matter distribution in nitrogen and water-stressed winter wheat. Agronomy Journal 81:464-469.
Hillel, D., and Y. Guron. 1973. Relation between evapotranspiration rate and maize yield. Water Resources Research 9:743-748.
Holdsworth, D. K., and A. F. Mark. 1990. Water and nutrient input : output budgets. Effects of plant cover at seven sites in upland snow tussok grasslands of Eastern and Central Otago, New Zealand. Journal of the Royal Society of New Zealand 20:1-24.
Imitiyaz, M., K. J. Kristensen, and V. Overgaard Mogensen. 1982. Influence of irrigation on water extraction, evapotranspiration, yield and water use efficiency of spring wheat and barley. Acta Agriculturae Scandinavica 32:263-271.
Jackson, I. J. 1989. Climate, water and agriculture in the tropics. Longman Scientific and Technical, New York, New York, USA.
Joffre, R., and S. Rambal. 1993. How tree cover influences the water balance of Mediterranean rangelands. Ecology 74:570-582.
Johnsson, R. C. 1994. Pages 71-78 in M. C. Heath, T. M. Hess, T. J. Hocking, D. K. L. Mackerran, and W. Stephens, editors. Aspects of applied biology. Volume 38. Association of Applied Biologists, Wellesbourne, UK
Kanber, R., A. Yazar, S. Önder, and H. Köksal. 1993. Irrigation response of pistachio (Pistacia vera L.). Irrigation Science 14:7-14.
Kirkham, M. B., and Kanemasu. 1983. Pages 481-520 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
L'vovich, M. I. 1979. World water resources and their future. LithoCrafters Inc., Chelsea, UK.
L´vovich, M. I., and G. F. White. 1990. Use and transformation of terrestrial water systems. Pages 235-252 in B. L. Turner II, W. C. Clark, R. W. Kates, J. F. Richards, J. T. Mathews, and W. B. Meyer, editors. The Earth as transformed by human action. Cambridge University Press, Cambridge, UK.
Lascano, R. J., R. L. Baumhart, S. K. Hicks, and J. L. Heilman. 1994. Soil and plant water evaporation from strip-tilled cotton: measurement and simulation. Agronomy Journal 86:987-994.
Lauenroth, W. K. 1979. Pages 3-24 in N. R. French, editor. Perspectives in grassland ecology. Springer-Verlag, New York, New York, USA.
Laycock, D. H. 1964. An empirical correlation between weather and yearly tea yields in Malawi. Tropical Agriculture 41:277-300.
Le Houerou, H. N. 1984 Rain use efficiency: a unifying concept in arid-land ecology. Journal of Arid Environments 7:213-247.
Leopoldo, P. R., W. K. Franken, and N. A. V. Nova. 1995. Real evapotranspiration through a tropical rain forest in central Amazonia as estimated by the water balance method. Forest Ecology and Management 73:185-195.
Liang,Y. M., D. L. Hazlett, and W. K. Laurenroth. 1989. Biomass dynamics and water use efficiencies of five plant communities in the shortgrass steppe. Oecologia 80:148-153.
Lieth, H. 1975. Pages 203-216 in H. Lieth and R. H. Whittaker, editors. Primary productivity of the biosphere. Springer-Verlag, Berlin, Germany.
López-Castañeda, C., and R. A. Richards. 1994. Variation in temperate cereals in rainfed environments. III. Water use and water-use efficiency. Field Crops Research 39:85-98.
Luxmoore, R. J. 1983. Water budget of an eastern deciduous forest stand. Journal of the Soil Scince Society of America 47:785-791.
Mahalakshmi, V. S. Grandos, I. Naji, S. Ceccarelli, and J.M. Peakock. 1994. Pages 145-152 in M. C. Heath, T. M. Hess, T. J. Hocking, D. K. L. Mackerran, and W. Stephens, editors. Aspects of applied biology. Volume 38. Association of Applied Biologists, Wellesbourne, UK.
Matthews, E. 1983. Global vegetation and land use: new high-resolution databases for climate studies. Journal of Climate and Applied Meteorology 22:474-487.
Mémento de l´Agronome. 1984. Ministère de la coopération et du développement, Paris, France.
Misra, R. C. 1979. Pages 189-246 in R. T. Coupland, editor. Grassland ecosystems of the world. Cambridge University Press, Cambridge, UK
Mitch, W. J., and J. G. Gosselink. 1983. Wetlands. Van Nostrand Reinhold, New York, New York, USA.
Moran, R. J., and P. J. O'Shaugnessy. 1984. Determination of the evapotranspiration of E. regnans forested catchments using hydrological measurements. Agricultural Water Management 8:57-76.
Oliva, R. N., J. J. Steiner, and W. C. Young. 1994. White clover seed production: I. Crop water requirements and irrigation timing. Crop Science 34:762-767.
Olson, J. S., J. A. Watts, and L. J. Allison. 1983. Carbon in live vegetation of major world ecosystems.Oak Ridge National Laboratory, Environmental Science Division, Report ORNL-5862, Oak Ridge, Tennessee, USA.
Postel, S. L., G. C. Daily, and P. R. Ehlich. 1996. Human appropriation of renewable fresh water. Science 271:785-788.
Power, J. F. 1991. Growth characteristics of legume cover crops in a semiarid environment. Soil Science Society of America Journal 55:1659-1663.
Pruitt, W. O., E. Fereres, D. W. Henderson, and R. M Hagan. 1984. Evapotranspiration losses of tomatoes under drip and furrow irrigation. California Agriculture 38:10-11.
Roberts, G., and A. M. Roberts. 1992. Computing the water balance of a small agricultural catchment in southern England by consideration of different land-use types. II. Evaporative losses from different vegetation types. Agricultural Water Management 21:155-166.
Rockström, J. 1992. Water use efficiency in agriculture: How can it be improved in arid and semi-arid tropics? Report Tema V, University of Linköping, Department of Water and Environmental Studies, Linköping.
Rouse, W. R. 1982. The water balance of upland tundra in the Hudson Bay lowlands - measured and modelled. Canadien Naturaliste 109:457-467.
Running, S. W., R. R. Nemani, D. L. Peterson, L. E. Band, D. F. Potts, L. L. Pierce, and M. A. Spanner. 1989. Mapping regional forest evapotranspiration and photosynthesis by coupling satellite data with ecosystem simulation. Ecology 70:1090-1101.
San-José, J. J., R. A. Montes, and A. Florentino. 1995. Water flux through a semi-deciduous forest grove of the Orionocco savannas. Oecologia 101:141-150.
Schaeffer-Novelli, Y., H. de SL. Mesquita, and G. Cintron-Molero. 1990. The Cananeia Lagoon estuarine system, Sao Paulo, Brazil. Estuaries 13:193-203.
Scott P. R., and R. A Sudemyer. 1993. Evapotranspiration from agricultural plant communities in the high rainfall zone of the southwest of Western Australia. Journal of Hydrology 146:301-319.
Shih, S. F., G. S.Rahi, G. H. Snyder, D. S. Harrison, and A. G. Smajstrla. 1983. Rice yield, biomass and leaf area related to evapotranspiration. Transactions of the ASAE 26:1458-1464.
Shih, S.F. 1988 Sugarcane yield, biomass and water use efficiency. Trans. ASAE 31:142-148.
Shih, S. F., and G. S. Rahi. 1984. Evapotranspiration of lettuce in relation to water table depth. Transactions of the ASAE 27:1047-1080.
Shih, S. F., and G. H. Snyder. 1985. Water table effects on pasture yield and evapotranspiration. Transactoins of the ASAE 28:1573-1577.
Shuval, H. 1996. Sustainable water resources versus concepts for food security, water security, and water stress for arid countries. CFWA workshop, Stockholm Environment Institute, New York, New York, USA.
Sims, P. L, J. S. Singh, and W. K. Laurenroth. 1978. The structure and function of ten western North American grasslands. I. Abiotic and vegetational characteristics. Journal of Ecology 66:251-280.
Stephens, W., and M. K. V. Carr. 1991. Responses of tea (Camellia sinensis) to irrigation and fertilizer. II. Water use. Experimental Agriculture 27:193-210.
Stephenson, N. L. 1990. Climatic control of vegetation distribution: the role of the water balance. American Naturalist 135:649-670.
Stewart, J. I., R. D. Misra, W. O. Pruitt, and R. M. Hagan. 1975. Irrigating corn and grain sorghum with a deficient water supply. Transactions of the ASAE 18:270-280.
Tanner, C. B. 1981. Transpiration efficiency of potato. Agronomy Journal 73:59-64.
Thomas, H. 1994. Pages 41-46 in M. C. Heath, T. M. Hess, T. J. Hocking, D. K. L. Mackerran, and W. Stephens, editors. Aspects of applied biology. Volume 38. The Association of Applied Biologists, Wellesbourne, UK
Tiktak, A., and W. Bouten. 1994. Soil water dynamics and long-term water balances of a Douglas-fir stand in the Netherlands. Journal of Hydrology 156:265-283.
Turner, N. C., and G. N. McCauley. 1983. Pages 307-350 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Vitousek, P.M., P.R. Ehrlich, A.H. Ehrlich, and P.A. Matson, P.A. 1986. Human appropriation of the products of photosynthesis. BioScience 36:368 373.
Waldren, R. P. 1983. Pages 187-212 in I. D. Teare and M. M.Peet, editors. Crop-water relations. John Wiley, New York, New York, USA.
Weltz, M. A., and W. H. Blackburn. 1995. Water budget for south Texas rangelands. Journal of Range Management 48:45-52.
Winter, S. R. 1988. Influence of seasonal irrigation amount on sugarbeet yield and quality. Journal of Sugarbeet Research 25:1-9.
WRI. 1994. World resources, 1994-1995. Oxford University Press, Oxford, UK.
Yadav, S. K., K. Chander, and D. P. Singh. 1994. Response of late-sown mustard (Brassica juncea) to irrigation and nitrogen. Journal of Agricultural Science 123:219-224.
Yao, N. R., and B. Goué. 1992. Water use efficiency of a cassava crop as affected by soil water balance. Agricultural Forest Meteorolgy 61:187-203.
Yates, R. A., and R. D. Taylor. 1986. Water use efficiencies in relation to sugarcane yields. Soil Use and Management 2:70-76.
Yin, X. 1993. Variation in foliar nitrogen concentration by forest type and climatic gradients in North America. Canadian Journal of Forest Research 23:1587-1602.
Yin, Z. Y., and G. A. Brook. 1992. Evapotranspiration in the Okefenokee Swamp watershed: A comparison of temperature-based and water balance methods. Journal of Hydrology 131:293-312.