Amossé C., Jeuffroy M.-H., David Ch. (2013): Relay intercropping of legume cover crops in organic winter wheat: effects on performance and resource availability. Field Crops Research, 145: 78–87. https://doi.org/10.1016/j.fcr.2013.02.010 Amossé C., Jeuffroy M.-H., Mary B., David Ch. (2014): Contribution of relay intercropping with legume cover crops on nitrogen dynamics in organic grain systems. Nutrient Cycling in Agroecosystems, 98: 1–14. https://doi.org/10.1007/s10705-013-9591-8 Bedoussac L., Journet E.-P., Hauggard-Nielsen H., Naudin C., Corre-Hellou G., Jensen E.S., Prieur L., Justes E. (2015): Ecological principles underlying the increase of productivity achieved by cereal-grain legume intercrops in organic farming. A review. Agronomy for Sustainable Development, 35: 911–935. https://doi.org/10.1007/s13593-014-0277-7 Bedoussac L., Justes E. (2010): Dynamic analysis of competition and complementarity for light and N use to understand the yield and the protein content of a durum wheat-winter pea intercrop. Plant and Soil, 330: 37–54. https://doi.org/10.1007/s11104-010-0303-8 Bergkvist G. (2003): Effect of white clover and nitrogen availability on the grain yield of winter wheat in a three-season intercropping system. Acta Agriculturae Scandinavica, Section B – Soil and Plant Science, 53: 97–109. https://doi.org/10.1080/09064710310011953 Bergkvist G., Stenberg M., Wetterlind J., Båth B., Elfstrand S. (2011): Clover cover crops under-sown in winter wheat increase yield of subsequent spring barely – effect of N dose and companion grass. Field Crops Research, 120: 292–298. https://doi.org/10.1016/j.fcr.2010.11.001 Brooker R.W., Bennett A.E., Cong W.-F., Daniell T.J., George T.S., Hallett P.D., Hawes C., Iannetta P.P.M., Jones H.G., Karley A.J., Li L., McKenzie B.M., Pakeman R.J., Paterson E., Schöb C., Shen J.B., Squire G., Watson C.A., Zhang C.C., Zhang F.S., Zhang J.L., White P.J. (2015): Improving intercropping: a synthesis of research in agronomy, plant physiology and ecology. New Phytologist, 206: 107–117. https://doi.org/10.1111/nph.13132 Dhima K.V., Vasilakoglou I.B., Keco R.Xh., Dima A.K., Paschalidis K.A., Gatsis T.D. (2014): Forage yield and competition indices of faba bean intercropped with oat. Grass and Forage Science, 69: 376–383. https://doi.org/10.1111/gfs.12084 Dong N., Tang M.M., Zhang W.P., Bao X.G., Wang Y., Christie P., Li L. (2018): Temporal differentiation of crop growth as one of the drivers of intercropping yield advantage. Scientific Reports, 8: 3110. https://doi.org/10.1038/s41598-018-21414-w Dordas C.A., Lithourgidis A.S. (2011): Growth, yield and nitrogen performance of faba bean intercrops with oat and triticale at varying seeding ratios. Grass and Forage Science, 66: 569–577. https://doi.org/10.1111/j.1365-2494.2011.00814.x Ghaley B.B., Hauggard-Nielsen H., Høgh-Jensen H., Jensen E.S. (2005): Intercropping of wheat and pea as influenced by nitrogen fertilization. Nutrient Cycling in Agroecosystems, 73: 201–212. https://doi.org/10.1007/s10705-005-2475-9 Gooding M.J., Kasyanova E., Ruske R., Hauggard-Nielsen H., Jensen E.S., Dahlmann C., von Fragstein P., Dibet A., Corre-Hellou G., Crozat Y., Pristeri A., Romeo M., Monti M., Launay M. (2007): Intercropping with pulses to concentrate nitrogen and sulphur in wheat. Journal of Agricultural Science, 145: 469–479. https://doi.org/10.1017/S0021859607007241 Ehrmann J., Ritz K. (2014): Plant: soil interactions in temperate multi-cropping production systems. Plant and Soil, 376: 1–29. https://doi.org/10.1007/s11104-013-1921-8 Hauggard-Nielsen H., Ambus P., Jensen E.S. (2001): Interspecific competition, N use and interference with weeds in pea-barley intercropping. Field Crops Research, 70: 101–109. https://doi.org/10.1016/S0378-4290(01)00126-5 Kamalongo D.M.A., Cannon N.D. (2020): Advantages of bi-cropping field beans (Vicia faba) and wheat (Triticum aestivum) on cereal forage yield and quality. Biological Agriculture and Horticulture, 36: 213–229. https://doi.org/10.1080/01448765.2020.1788991 Kintl A., Elbl J., Záhora J., Kynický J., Brtnický M., Mikajlo I. (2015): Evaluation of grain yield in mixed legume-cereal cropping systems. AD ALTA: Journal of Interdisciplinary Research, 5.1: 96–98. Knudsen M.T., Hauggard-Nielsen H., Jornsgard B., Jensen E.S. (2004): Comparison of interspecific competition and N use in pea-barley, faba bean-barley and lupin-barley intercrops grown at two temperate locations. Journal of Agricultural Science, 142: 617–627. https://doi.org/10.1017/S0021859604004745 Mysliwiec M., Wanic M., Michalska M. (2014): Response of spring wheat to the growth with undersown of persian clover under controlled conditions. Acta Scientiarum Polonorum, Agricultura, 13: 29–44. Neugschwandtner R.W., Kaul H.-P., Moitzi G., Klimek-Kopyra A., Lošák T., Wagentristl H. (2021): A low nitrogen fertiliser rate in oat-pea intercrops does not impair N2 fixation. Acta Agriculturae Scandinavica, Section B – Soil and Plant Science, 71: 182–190. https://doi.org/10.1080/09064710.2020.1869819 Lithourgidis A.S., Dordas C.A. (2010): Forage yield, growth rate, and nitrogen uptake of faba bean intercrops with wheat, barley, and rye in three seeding ratios. Crop Science, 50: 2148–2158. https://doi.org/10.2135/cropsci2009.12.0735 Lithourgidis A.S., Vlachostergios D.N., Dordas C.A., Damalas C.A. (2011): Dry matter yield, nitrogen content and competition in pea-cereal intercropping systems. European Journal of Agronomy, 34: 287–294. https://doi.org/10.1016/j.eja.2011.02.007 Pelzer E., Bazot M., Makowski D., Corre-Hellou G., Naudin C., Al Rifai M., Baranger E., Bedoussac L., Biarnes V., Boucheny P., Carrouée B., Dorvillez D., Foissy D., Gaillard B., Guichard L., Mansard M.-C., Omon B., Prieur L., Yvergniaux M., Justes E., Jeuffroy M.H. (2012): Pea-wheat intercrops in low input conditions combine high economic performances and low environmental impacts. European Journal of Agronomy, 40: 39–53. https://doi.org/10.1016/j.eja.2012.01.010 Vandermeer J.H. (2012): The Ecology of Intercropping. Cambridge, Cambridge University Press. ISBN: 9780511623523 Vlachostergios D.N., Lithourgidis A.S., Dordas C.A. (2018): Agronomic, forage quality and economic advantages of red pea (Lathyrus cicera L.) intercropping with wheat and oat under low-input farming. Grass and Forage Sciences, 73: 777–788. https://doi.org/10.1111/gfs.12348 Vrignon-Brenas S., Celette F., Piquet-Pissaloux A., Corre-Hellou G., David Ch. (2018): Intercropping strategies of white clover with organic wheat to improve the trade-off between wheat yield, protein content and the provision of ecological services by white clover. Field Crops Research, 224: 160–169. https://doi.org/10.1016/j.fcr.2018.05.009