[The proposals to vegetable growers of Lombardy [vegetable crops; varieties]]

abonos nitrogenados agronomic characters allium cepa brassica oleracea botrytis caratteri agronomici coltura senza terra concimi azotati crop yield cucumis melo cultivo sin tierra culture sans sol ensayos de variedades lactuca sativa lombardia lombardie lombardy lycopersicon esculentum nitrogen fertilizers precocidad precocity precocità prove varietali rendement des cultures rendimiento de cultivos soilless culture solanum tuberosum valerianella locusta variedades varieties variety trials varietà