Closed soilless growing systems: a sustainable solution for Dutch greenhouse horticulture

arena cultivo protegido cultivo sin tierra culture sans sol culture sous abri filters filtre filtros greenhouses horticultura horticulture invernaderos leaching lessivage du sol netherlands nutrientes nutrients pathogens protected cultivation sable sand serre soil sterilization soilless culture sostenibilidad substance nutritive sustainability uso del agua utilisation de l'eau water use