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Hater Mineral and Protein Content
Aquatic Plants for Human Pood
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acid acoustic algae alligator weed Alternanthera philoxeroides analyses angle animals aquatic plants aquatic weeds aquatio attached authors average Azolla beam biomass boat bottom trawl cage calibration compost concentration costs crassipes crop cross-section crude protein deck density directivity pattern distance dry matter dry weight echo integrator echo signal echosounder effluent Eichhornia Elodea equipment estimated experiments extract feed fibre Figure Fisheries fodder grass carp growth harvesting hauling Hyacinth Control Hydrilla integrator deflection intensity kg/ha Lagarosiphon lake latifolia layer length marking material maximum method Myriophyllum needle nutrients operation pair trawling paper Petersen pigs ponds Potamogeton protein pulse reflected removal sewage silage small trawlers soil sonar sonar system sound wave species sweeplines target towing transducer transducer's trawl trawlers Typha Typha latifolia vegetation vessel voltage warp warp-end weights water hyacinth Weed Abstracts xanthophyll yield