[ALBAYRAK, S. - TÜRK, M. 2013. Changes in the forage yield and quality of legume-grass mixtures throughout a vegetation period. In Turkish Journal of Agriculture and Forestry, vol. 37, no. 2, pp. 139-147. DOI: 10.3906/tar-1202-73. 10.3906/tar-1202-73]Search in Google Scholar
[ANNICCHIARICO, P. - PECETTI, L. - TAVA, A. 2013. Physiological and morphological traits associated with the adaptation of lucerne (Medicago sativa) to severely drought-stressed and to irrigated environments. In Annals of Applied Biology, vol. 162, no. 1, pp. 27-40. DOI: 10.1111/j.1744-7348.2012.00576.x.10.1111/j.1744-7348.2012.00576.x]Search in Google Scholar
[BRÁZDIL, R. - TRNKA, M. - DOBROVOLNÝ, P. - CHROMÁ, K. - HLAVINKA, P. - ŽALUD, Z. 2009.Variability of droughts in the Czech Republic, 1881-2006. In Theoretical and Applied Climatology, vol. 97, no. 3-4, pp. 297-315. DOI 10.1007/s00704-008-0065-x.10.1007/s00704-008-0065-x]Search in Google Scholar
[CHAPLIN-KRAMER, R. - GEORGE, M. R. 2013. Effects of climate change on range forage production in the San Francisco Bay Area. In PLoS ONE, vol. 8, no. 3: e57723. DOI:10.1371/journal.pone.0057723.10.1371/journal.pone.0057723358942823472102]Search in Google Scholar
[DROBNÁ, J. 2009. Yield and forage quality of Romanian red clover (Trifolium pratense L.) varieties studied in Slovakia. In Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 37, no. 1, pp. 204-208.]Search in Google Scholar
[ERIKSEN, J. - ASKEGAARD, M. - SØEGAARD, K.2013. Complementary effects of red clover inclusion in ryegrass-white clover swards for grazing and cutting.In Grass and Forage Science, http://onlinelibrary.wiley.com/doi/10.1111/gfs.12025/abstract.DOI: 10.1111/gfs.12025.FRAME, J. 2005. Forage legumes for temperate grasslands. Rome : FAO, 309 pp. ISBN 92-5-105043-0.]Search in Google Scholar
[FRANKOW-LINDBERG, B.E. - HALLING, M. - HÖGLIND, M. - FORKMAN, J. 2009. Yield and stability of yield of single- and multi-clover grass-clover swards in two contrasting temperate environments. In Grass and Forage Science, vol. 64, no. 3, pp. 236-245.DOI: 10.1111/j.1365-2494.2009.00689.x.10.1111/j.1365-2494.2009.00689.x]Search in Google Scholar
[GE, Z.M. - ZHOU, X. - KELLOMÄKI, S. - ZHANG, C. - PELTOLA, H. - MARTIKAINENM P.J. - WANG, K.Y. 2012. Acclimation of photosynthesis in a boreal grass (Phalaris arundinacea L.) under different temperature, CO2, and soil water regimes. In Photosynthetica, vol. 50, pp. 141-151. DOI: 10.1007/s11099-012-0014-x.10.1007/s11099-012-0014-x]Search in Google Scholar
[GHERBIN, P. - DE FRANCHI, A.S. - MONTELEONE, M. - RIVELLI, A.R. 2007. Adaptability and productivity of some warm-season pasture species in a Mediterranean environment. In Grass and Forage Science, vol. 62, no. 1, pp. 78-86. DOI: 10.1111/j.1365-2494.2007.00566.x.10.1111/j.1365-2494.2007.00566.x]Search in Google Scholar
[GUTMANE, I. - ADAMOVICH, A. 2008. Analysis of sward management factors influencing Festulolium and Lolium x boucheanum yield formation. In Agonomijas Vēstis (Latvian Journal of Agronomy), no. 10, pp.1 17-122.]Search in Google Scholar
[HEJDUK, S. - KNOT, P. 2010. Effect of provenance and ploidity of red clover varieties on productivity, persistence and growth pattern in mixture with grasses.In Plant, Soil and Environment, vol. 56, no. 3. pp. 111-119.]Search in Google Scholar
[HENNEBERG, W. - STOHMANN, F. 1860. Begründung einer rationellen Futterung der Wiedekäuer. Vol. 1.Schwetschke u. Sohn, Braunschweik. Germany .]Search in Google Scholar
[IUSS Working Group WRB. 2006. World Reference Base for Soil Resources 2006. World Soil Resources Reports No. 103. Rome : F AO, 145 pp. ISBN 9.2-5-10551 1-4.]Search in Google Scholar
[JANČOVIČ, J. - ĎURKOVÁ, E. - VOZÁR, Ľ. 2005. Krmoviny I. Pestovanie poľných krmovín [Forage crops I. Field forage crop production.]. Nitra : ÚVTIP, 100 pp. ISBN 80-89088-40-6.]Search in Google Scholar
[JENSEN, K.B. - WALDRON, B.L. - ASAY, K.H. - JOHNSON, D.A. - MONACO, T.A. 2003. Forage nutritional characteristics of orchardgrass and perennial ryegrass at five irrigation levels. In Agronomy Journal, vol. 95, no. 3, pp. 668-675. DOI:10.2134/agronj2003.6680.10.2134/agronj2003.6680]Search in Google Scholar
[KONČEK, M. 1955. Index zavlaženia [Moisture index].In Meteorologické zprávy [Meteorological reports], vol. 8, no. 4, pp. 96 -99.]Search in Google Scholar
[LAPIN, M. - FAŠKO, P. - MELO, M. - ŠŤASTNÝ, P. - TOMLAIN, J. 2002. Klimatické oblasti [Climatic regions]. In HRNČIAROVÁ, T. (Ed.) Atlas krajiny Slovenskej republiky [Landscape Atlas of the Slovak Republic]. MŽP SR, Bratislava, SAŽP SR, Banská Bystrica. 344 pp. ISBN 80-88833-27-2.]Search in Google Scholar
[LANG, J. - VEJRAŽKA, K. 2012. Yields and quality of forage legumes under imbalanced year precipitation conditions on South Moravia. In Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, vol. 60, no. 6, pp. 217-223.]Search in Google Scholar
[MARKOVIĆ, J.P. - ŠTRBANOVIĆ, R.T. - TERZIĆ, D.V. - DJOKIĆ, D.J. - SIMIĆ, A.S. - VRVIĆ, M.M. - ŽIVKOVIĆ, S.P. 2012. Changes in lignin structure with maturation of alfalfa leaf and stem in relation to ruminants nutrition. In African Journal of Agricultural Research, vol. 7, no. 2, pp. 257-264. DOI:10.5897/ AJAR11.1485.]Search in Google Scholar
[MELO, M. - LAPIN, M. - DAMBORSKÁ, I. 2007.Konček´s moisture index as a possible indicator of the aridization trends in the land. In Acta Hydrologica Slovaca, vol. 8, no. 2, pp. 224-230.]Search in Google Scholar
[NATIONAL RESEARCH COUNCIL. 2001. Nutrient Requirements of Dairy Cattle. Seventh Revised Edition.National Academy Press : Washington DC, 381 pp.]Search in Google Scholar
[PEETERS, A. - PARENTE, G. - LE GALL, A. 2006. Temperate legumes: key-species for sustainable temperate mixtures. In Grassland Science in Europe, vol. 11, pp. 205-220.]Search in Google Scholar
[QUEEN, A. - EARL, H. - DEEN, W. 2009. Light and moisture competition effects on biomass of red clover underseeded to winter wheat. In Agronomy Journal, vol. 101, no. 6, pp. 1511-1521. DOI:10.2134/agronj2008.0163.10.2134/agronj2008.0163]Search in Google Scholar
[SANZ-SÁEZ, A. - ERICE, G. -AGUIRREOLEA, J. - MUNOZ, F. - SÁNCHEZ-DÍAZ, M. -IRIGOYEN, J.J. 2012. Alfalfa forage digestibility, quality and yield under future climate change scenarios vary with Sinorhizobium meliloti strain. In Journal of Plant Physiology, vol. 169, no. 8, pp. 782-788. DOI: 10.1016/j. plph.2012.01.010.]Search in Google Scholar
[SCHÖNBACH, P. - WAN, H. - GIERUS, M. - LOGES, R. - MÜLLER, K. - LIN, L. - SUSENBETH, A. - TAUBE, F. 2012.Effects of grazing and precipitation on herbage production, herbage nutritive value and performance of sheep in continental steppe. In Grass and Forage Science, vol. 67, no. 4, pp. 535-545.DOI: 10.1111/j.1365-2494.2012.00874.x.10.1111/j.1365-2494.2012.00874.x]Search in Google Scholar
[SKINNER, R.H. - GUSTINE, D.L. - SANDERSON, M.A.2004. Growth, water relations and nutritive value of pasture species mixtures under moisture stress. In Crop Science, vol. 44, no. 4, pp. 1361-1369.]Search in Google Scholar
[SOBOCKÁ, J. - ŠURINA, B. - TORMA, S. - DODOK, R.2005. Klimatická zmena a jej možné dopady na pôdny fond Slovenska [Climate change and its possible impacts on soil fund of Slovakia.]. Bratislava : VUPOP, 46 pp. ISBN 80-89128-15-7.]Search in Google Scholar
[SØEGAARD, K. - GIERUS, M. - HOPKINS, A. - HALLING, M. 2007. Temporary grassland - challenges in the future. In Grassland Science in Europe, vol. 12, pp. 27-38.]Search in Google Scholar
[STURLUDÓTTIR, E. - BROBHY, C. - BÉLANGER, G. - GUVSTANSSON, A.M. - JØRGENSEN, M. - LUNNAN, T. - HELGADÓTTIR, Á. 2013. Benefits of mixing grasses and legumes for herbage yield and nutritive value in Northern Europe and Canada. In Grass and Forage Science, http://onlinelibrary.wiley. com/doi/10.1111/gfs.12037/abstract. DOI: 10.1111/ gfs.12037.]Search in Google Scholar
[TAKÁČ, J. 2013. Assessment of drought in agricultural regions of Slovakia using soil water dynamic simulation.In Agriculture (Poľnohospodárstvo), vol. 59, no. 2, pp. 74-87. DOI: 10.2478/agri-2013-0007.10.2478/agri-2013-0007]Search in Google Scholar
[THORNVALDSSON, G. - TREMBLAY, G.F. - KUNELIUS, H.T. 2007. The effects of growth temperature on digestibility and fibre concentration of seven temperate grass species. In Acta Agriculturae Scandinavica Section B - Soil and Plant Science, vol. 57, no. 4, pp. 322-328. DOI: 10.1080/09064710600984221.10.1080/09064710600984221]Search in Google Scholar
[TÓTH, Š. - PORVAZ, P. - KOTOROVÁ, D. 2002. The influence of selected soil physical parameters on the alfalfa hay production. In Agriculture (Poľnohospodárstvo), vol. 48, 2002, no. 9, pp. 464-471.]Search in Google Scholar
[TUCAK, M. - POPOVIĆ, S. - ČUPIĆ, T. - ŠPANIĆ, V. - MEGLIČ, V. 2013. Variation in yield, forage quality and morphological traits of red clover (Trifolium pratense L.) breeding populations and cultivars. In Zemdirbyste-Agriculture, vol. 100, no. 1, pp. 63-70.DOI: 10.13080/z-a.2013.100.009.10.13080/z-a.2013.100.009]Search in Google Scholar
[VOZÁR, Ľ. - JANČOVIČ, J. - KOVÁR, P. - BAČOVÁ, S. 2012. Adaptability of permanent grassland to drought. In Journal of Life Sciences, vol. 6, no. 9, pp. 1057-1060.]Search in Google Scholar
[WHITEHEAD, D.C. 2000. Nutrient elements in grassland: soil-plant-animal relationships. Wallingford : CABI Publishing, 369 pp. ISBN 0-85199-437-7. ]Search in Google Scholar