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Slow sand filtration: a potential method for the elimination of pathogens and nematodes in recirculating nutrient solutions from glasshouse-grown crops



Slow sand filtration: a potential method for the elimination of pathogens and nematodes in recirculating nutrient solutions from glasshouse-grown crops



Acta Horticulturae ( 481): 519-525



In a glasshouse compartment, 3 sand types (coarse: 0.5-1.6 mm; medium: 0.2-0.8 mm and fine: 0.15-0.35 mm with an effective size of 0.71, 0.51 and 0.23 mm, respectively) and 2 filtration rates (0.1 and 0.3 m.h-1) were compared to investigate the performance of slow sand filtration in 12 independent systems growing tomatoes in rockwool.

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