Quantification of the effect of legume proportion in the sward on yield advantage and options to keep stable legume proportions (over climatic zones relevant for livestock production)

Andreas Lüscher (1) , Matthias Suter (1) , John Finn (2) , Rosemary Collins (3) , Francois Gastal (4)

1 Agroscope
2 Irish Agriculture and Food Development Authority
3 IBERS - Institute of Biological, Environmental and Rural Sciences
4 P3F - Unité de Recherche Pluridisciplinaire Prairies et Plantes Fourragères

Grassland systems using mixed grass-legume swards have higher productivity and less environmental impact than their respective monocultures. The positive effect of legumes on yield is most pronounced with a mixture legume proportion of 30-60%.

Mots clés: global change; yield increases; plant canopy; legume

Mots clés: couvert végétal; augmentation de rendement; changement climatique; légumineuse; association légumineuse-graminée

Domaines: Sciences agricoles

Andreas Lüscher, Matthias Suter, John Finn, Rosemary Collins, Francois Gastal. Quantification of the effect of legume proportion in the sward on yield advantage and options to keep stable legume proportions (over climatic zones relevant for livestock production). [Contract] 7.3, 2014, 35 p. ⟨hal-01611404⟩