Agroecological influencing of the quality of grain and malt of spring barley grown in monoculture

abonos agronomia agronomie agronomy amidon barley cebada contenido proteico crop yield cultivation cultivo cultivos de primavera culture de printemps engrais organique fertilisation fertilizer application grain granos malt malta (producto) orge paille paja pratique culturale protein content rendement des cultures rendimiento de cultivos spring crops starch straw