本文研究目的主要在探討不同的光照度、水循環系統與營養液濃度，於魚菜共生系統下對小白菜的生長影響。實驗的硬體架構主要是將水耕栽培的技術，運用於魚菜共生系統內，而設計出三種不同的水循環灌溉系統，分別為水循環式系統、溢流式系統與潮汐式系統等;而光源的部分則以白色發光二極體取代自然光。
實驗結果證明，光量強度為小白菜生長的最主要控制因子，且光量至少需要達到210 µmole･m-2･s-1以上，才能使小白菜達到足夠的光合作用。在不同的水循環灌溉系統下栽培，混合50隻孔雀魚與15隻玉如意金魚可成功藉由水循環系統，達到足夠的水含氧量，維持魚類的生存。另外，提高孔雀魚的養殖密度或混合不同魚種，以提高水中的營養成分，最高可有效提升小白菜約20%的生長結果。最後在小白菜收成前，利用養液中斷法可有效降低80%的硝酸鹽濃度，並符合歐盟EC Regulation No. 563/2002規範之硝酸鹽最大限量標準。

The goal of this study is to investigate the effect of light intensity, water recirculating system and nutrient concentration on the growth of Chinese cabbage in an aquaponic system. The hardware architecture is designed based on the hydroponic cultivation technique which is applied in the aquaponics system of three irrigation water recirculating systems, including water cycle, overflow and ebb-and-flow systems. Moreover, white-light-emitting diodes are used to replace natural light. The results show that the light intensity has to be greater than 210 µmole･m-2･s-1. Furthermore, increasing the density of guppy or mixed the different type of fish’s waste can effectively enhance 20% growth of Chinese cabbage.

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