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Two identical coupled warmwater ebb-and-flood gravel aquaponic systems (unit I, unit II) without additional biofilter were evaluated for the effect of fish species choice onto culinary herbs (basil - Ocimum basilicum, parsley - Petroselinum crispum and marjoram - Origanum majorana) and resulting water parameters. The daily feed input increased over the experiment (70–450g, total 70days), resulting...
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