Grass species for organic soils [Phalaris arundinacea and Agrostis tenuis also included]

agrostis ash content contenido de ceniza contenido de fibras contenido proteico cultivar cultivars cultivo puro culture pure digestibilidad digestibility digestible protein festuca pratensis festuca rubra fibre content nutritive value organic soils pastizal sembrado phalaris phleum pratense prairie artificielle protein content rendement rendimiento sol organique sole cropping sown pastures teneur en cendres teneur en fibres valeur nutritive valor nutritivo yields