1. Aslyng H. C., Hansen S.: Water balance and crop production simulation. Hydrotech. Lab., Royal Yet. and Agric. Univ., Copenhaga, 200, 1982.
2. Beker D. N., Hesketh J. G., Wearn R. E. C.: Crop architecture in relation to yield. Crop Physiol. (Textbook, Chapter 3) - manuscript, 1976.
3. Belmans C., Bauma J., Feddes R. A., De Graaf M., Dekker L.W., Jeurissen J. W. M: Simulating soil; water regimes in the context of land evaluation. In: Progress in land evaluation (Eds J. C. F. M. Haans, G. G. L. Steur, G. Heids). Balkcma, Rotterdam, 309, 1984.
4. Belmans C., Wesseling J. G., Feddes R. A.: Simulation model of the water balance of a cropped soil SWATRE. J. Hydrol., 63, 271 - 286, 1983.
5. Childs E. C., Collins George N. C.: Interaction of water and porous materials, soil geometry and soil water equilibrium. Faraday Soc., 3, 78 - 85, 1968.
6. De Jong R., Kabat P.: Calibration and asessment if the model SWACROP for grass production. Int. Symp. Water Manage for Food Production., Athens, Dec. 1988.
7. De Wit C. T.: Photosynthesis of leaf canopies. Agric. Res. Rep., 663, PUDOC, Wageningen, 57, 1965.
9. Feddes R. A.: Crop water use and dry matter production: state of the art. In: Les besoins en eau des cultures/Crop water requirements (Eds A Perrier, Ch. Riou). f. internat. INRA, Paris, 11 – 14 Sept. 1984.
10. Feddes R. A., Kabat P., van Backl P. J.T., Bronswijk J. J. B. Halbertsma J.: Modelling soil water dynamics in the unsaturated zone: state of the art. J. Hydrol, (in press).
11. Feddes R. A., Kowalik P. J., Zaradny H.: Simulation of field water use and crop yield. Simulation Monograph, PUDOC, Wageningen, 189, 1978.
12. Gardner W. C.: Relation of root distribution to water uptake availability. Amer. Soc. Agron., J., 41 - 45, 1964.
13. Hanks R. J.: Model for predicting plant growth as influenced by evapotranspiration and soil water. Agron. J., 66, 660 - 665, 1974.
14. Hansen G. K.: Utilization of photosynthates for growth, respiration and storage in tops and roots of Lolium multiflorum. Physiol. Plant, 42, 5 - 13, 1978.
15. Mogensen V. O.: Field measurements of dark respiration rates of roots and aerial parts in Italian ryegrass and barley. J. Appl. Ecol. 14, 243 - 252, 1977.
16. Olszta W.: Determination of the hydraulic conductivity in laboratory. Wiadomości IMUZ, 14 ,2, 1981.
17. Olszta W.: Simulation of grass growth, water movement and soil temperature over high water table. Agr. Eng. Clemson University, Research Series. 19, SC. 29361, USA, 1975.
18. Olszta W.: The influence of drainage depth on hydraulic conductivity of peat soils. Zesz. Probl. Post. Nauk Rol., 197, 69 - 77, 1977.
19. Olszta W.: Investigations concerning the effect of the ground water table and transpiration on the moisture distribution in the profile of peat-muck soils by the simulation modelling method. Roczn. Gleboz., 31(3), Warszawa, 1980.
20. Olszta W.: Investigation of soil moisture, grass growth and irrigation prognosis (in Polish). Habilitacia thesis. Falenty, 1981.
21. Philip J. R.: Plant water relations: some physical aspects. Ann. Rev. Plant Physiol., 17, 245 - 268, 1966.
22. Prins W. H., Van Burg P. F. J., Rauw G. J. G., Postmus J.: The seasonal response of grass to nitrogen at different levels of nitrogen pretreatment. II. Experiment 1974. Neth. Nitrogen, Tech. Bull., 1, 40,1981.
23. Richards L. A.: Capillary conduction of liquids through porous media. Physics., 1, 318 - 333, 1931.
24. Ritchie J. T.: Model for predicting evaporation from a row crop with incomplete cover. Water Res., 8, 1204 - 1213, 1972.
25. Ryle G. J. A.: Effect of two levels of nitrogen on the growth of S37 Cocksfoot in small simulated swards in a controlled environment J. Br. Grassld. Soc. 25 : 20 - 28, 1970.
26. Saugler B., Ripley E. A.: A model of growth and water use for natural grassland. In Proceedings of the 1975 Summer Comp. Simul. Conf., San Francisco, 1975, USA.
27. Stakman W. P., van der Horst G. A.: Determination of soil moisture retention curves I. ICW, Wageningen, 1967.
28. Stewart D. W., Dwyer L. M.: Development of a growth model for maize. Can. J. Plant Sci., 66, 267 - 280, 1986.
29. Tenhunen J. D., Lange O. L., Jahner D.: The control by atmospheric factors and water stress of midday stomatal closure in Arlutus uneda growing in natural media. Becologia, 55, 165 - 169, 1982.
30. Thom A. S., Oliver H. R.: On Penman’s equation for estimating regional evaporation. Quart J. Roy. Meteor. Soc. 103, 345 - 357, 1977.
31. Visser W. C.: Moisture requirement of crop and rate of moisture depletion of soil. Tech. Bulletin No. 32, ICW, Wageningen, 1981.
32. Wesseling J., Wit K. E:. An infiltration method for the determination of the capillary conductivity of undisturbed soil covers. Symp. Proc. Unesco II ASH, 1969. Mise. Repr. ICW, 81, 1966.
33. Wit C. T. de.: Potential photosynthesis of crop surface. Neth. J. Agric. Sci. 7: 141 - 149, 1959.
34. Wit C. T.: Transpiration and crop yields. Versl. Landb. k. Onderz. 64. 6 PUDOC, Wageningen, 1958.
35. Zawadzki S.: Determination of soil moisture retention curves by laboratory method. Wiadomości IMUZ 14, 2, 1973.