[Pasture management in ecological agriculture]

agricultura alternativa agriculture alternative alimentos sanos alternative agriculture arable land bioproducts calidad chaulage chemical composition composition chimique continuous grazing crop yield cubrimiento del suelo cultivated land czech republic encalado ensilage (traitement) ensilaje environmental factors escarda establecimiento de plantas exportaciones exportation exports facteur du milieu factores ambientales feed crops feed grasses feed legumes fertilisation fertilizer application foin harrowing hay health foods heno hersage leguminosas forrajeras liming liquid manures meadows mejora de pastizales mulching paillage pastizal permanente pastoreo continuo pastoreo en fajas pastoreo rotacional pasture improvement permanent pastures plant establishment plantas forrajeras prados de siega prairie de fauche prairie permanente produit biologique purin quality rastreo rendement des cultures rendimiento de cultivos rolling rotational grazing roulage rulado silage making strip grazing terre arable tierras arables tierras cultivadas weed control