Attitudes and behaviour of farmers regarding grassland diversity in the "Fourrages-Mieux" operation

agriculteur agricultores conduite des herbages encuestas especies farmers feed grasses feed legumes france francia grassland management grazing systems leguminosas forrajeras leys manejo de praderas motivation natural pastures pastizal natural pastizal permanente pastizal sembrado permanent pastures pradera temporal prairie artificielle prairie naturelle prairie permanente prairie temporaire sistemas de pastoreo sown pastures species surveys