prairie (3) Development (3) Breeding (3) Science (3) Average (3) mauvaise herbe (2) biomasse (2) espèce (2) azote (2) gestion (2) expérience de terrain (2) Acquisition (2) Biomass (2) Year (2) Species (2) Social sciences (2) Service industries (2) Nitrogen (2) Mixtures (2) Management (2) Forage (2) Example (2) Communities (2) Management (2) Yields (2) Synthesis (2) Science (2) Intensification (2) Performance (2) Animales--Mejora genética (2)