Nitrogen fertilization of cereals using green mulch - suitable under Nordic conditions? - Schäfer, Winfried (se, 2000)
Keywords: Ka; Ra; viherkate; lietelannoitus; typpilannoitus; kevätviljat; lietelanta; levitys; luonnonmukainen viljely; lannoitusteknologia; valkuaispitoisuus; laatu; organic fertilizers; organic farming; fertilizer technique; spring cereals; protein content; quality; green mulch; spreading technique