The invention relates to an improvement of a crop cultivation system for circulating aquaculture wastewater treatment. Mainly, it is a circulating cultivation system which allows wastewater in a breeding pond to be re-used for the breeding pond and a planting bed after recycling. It comprises a first precipitation tank, a filtration nitrification tank, a second precipitation tank and a solid-liquid separation tank. Thus the wastewater in the breeding pond is purified and discharged back for use through the above tanks. Meanwhile, bottom mud can be separated for fermentation. Furthermore, purified strains can be added according to plant species in the fermentation process so that it can be cultivated into the water which can supply nutrients for plants. Then the water is introduced to spray into the planting bed. Accordingly, the wastewater having toxicity in the breeding pond can be recycled to provide the necessary complementary nutrients for plants and breeding category in the growth cycle and strengthen the immunity of species to enhance the economic capacity for agriculture and fishery.本發明係有關於一種循環式養殖廢水處理之作物栽培系統改良,其主要為將養殖池中的廢水經回收處理,而能再度供養殖池及種植床使用的循環栽培系統,其包含有第一沉澱槽、過濾硝化槽、第二沉澱槽及固液分離槽,以讓養殖池廢水經上述諸槽淨化水質而排回使用,並同時將底泥分離而進行醱酵,且於醱酵過程可根據種植物種而添加純化菌種培育成可供應植物養分的水質,再將其導入噴灑於種植床;藉此,讓養殖池中具有毒性之廢棄污水能經循環回收再利用,以能提供植物、養殖類於生長週期中所需的互補養分,並強化物種免疫能力,達到提升農漁業的經濟產能功效。(1)‧‧‧硝化沉澱部(11)‧‧‧養殖池(12)‧‧‧第一沉澱槽(13)‧‧‧過濾硝化槽(14)‧‧‧第二沉澱槽(2)‧‧‧醱酵部(21)‧‧‧固液分離槽(22)‧‧‧菌種槽(23)‧‧‧醱酵槽(24)‧‧‧緩衝槽(25)‧‧‧濾網(3)‧‧‧種植床(4)‧‧‧回收管道(41)‧‧‧第一回收管路(42)‧‧‧第二回收管路(43)‧‧‧第三回收管路
