Substrates are important for plant growth as they maintain the water quality in an aquaponic system. The aim of this study was to investigate the effects of four inorganic substrates of sponge (S<SUB>S</SUB>), orchid stone (S<SUB>O&l...
http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
https://www.riss.kr/link?id=A108564626
2023
Korean
525
SCIE,SCOPUS,KCI등재
학술저널
188-201(14쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Substrates are important for plant growth as they maintain the water quality in an aquaponic system. The aim of this study was to investigate the effects of four inorganic substrates of sponge (S<SUB>S</SUB>), orchid stone (S<SUB>O&l...
Substrates are important for plant growth as they maintain the water quality in an aquaponic system. The aim of this study was to investigate the effects of four inorganic substrates of sponge (S<SUB>S</SUB>), orchid stone (S<SUB>O</SUB>), hydroball (S<SUB>H</SUB>), and volcanic rock (S<SUB>V</SUB>) on an aquaponic system for planterior (use of plants in interior design) purposes. A recycling deep flow system was used. Kalanchoe blossfeldiana ‘Peperu’ seedlings and goldfish (Carassius auratus auratus) were kept together for 50 days in a small tank divided into two sections. Every day, 0.25 g of fish feed was supplied into each tank. The electrical conductivity (EC) and pH of the water were checked regularly. The nutrient concentration of the aquaponics water and the plant growth parameters were measured. The results showed that the increasing pattern of the EC strength over time was identical under the different treatments. The pH of the water fluctuated with different ranges for each treatment. Furthermore, the NH4<SUP>+</SUP>concentration in aquaponic water increased sharply from 15 to 20 days in all treatments, later becoming more stable. The NO<SUB>3</SUB> <SUP>‒</SUP> and Mg<SUP>2+</SUP> ion concentrations also sharply increased after 15 to 20 days of treatment; later, NO<SUP>3‒</SUP> was found to have increased in the S<SUB>H</SUB>, S<SUB>S</SUB>, and S<SUB>O</SUB> treatments. However, at 35 days after treatment, Mg<SUP>2+</SUP> and Ca<SUP>2+</SUP> showed a similar stable concentration trend in all treatments. An inverse relationship was observed between the Ca<SUP>2+</SUP> and HPO4 2<SUP>‒</SUP> concentrations in all treatments. Plant heights, widths, and stem diameters of K. blossfeldiana were not significantly different among the treatments. The number of leaves, the leaf length, and the leaf width of the plants were also not statistically different among the treatments. At 50 days after the commencement of treatment, the SPAD value of plants was higher in the SH treatment than in the others. Furthermore, the numbers of branches, nodes, and flowers of plant were not significantly different among the treatments. These results indicate that the inorganic sponge, orchid stone, hydroball, and volcanic rock substrates influenced the EC, pH, and ion concentrations in aquaponics water. In addition, the period of the first 20 days is crucial to ensure stable ion concentrations in water. However, these substrates did not significantly affect the growth of K. blossfeldiana.
USGA 지반에 켄터키 블루그래스 조성 시 파종량 차이가 지상부 잔디생장 및 지하부 뿌리발달에 미치는 효과