Can multi-cropping affect soil microbial stoichiometry and functional diversity, decreasing potential soil-borne pathogens? A study on European organic vegetable cropping systems oleh Alessandra Trinchera, Melania Migliore, Dylan Warren Raffa, Sarah Ommeslag, Jane Debode, Sindhuja Shanmugam, Sandra Dane, Joran Babry, Pirjo Kivijarvi, Hanne Lakkemborg Kristensen, Liga Lepse, Tapio Salo, Gabriele Campanelli, Koen Willekens