Soybean cultivar selection for Bioregenerative Life Support Systems (BLSSs) – Hydroponic cultivation |
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| Authors: | R Paradiso R Buonomo V De Micco G Aronne M Palermo G Barbieri S De Pascale |
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| Institution: | 1. Dept. Agricultural Engineering and Agronomy, University of Naples Federico II, via Università 100, I-80055 Portici (Naples), Italy;2. Dept. Arboriculture, Botany and Plant Pathology, University of Naples Federico II, via Università 100, I-80055 Portici (Naples), Italy |
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| Abstract: | Four soybean cultivars (‘Atlantic’, ‘Cresir’, ‘Pr91m10’ and ‘Regir’), selected through a theoretical procedure as suitable for cultivation in BLSS, were evaluated in terms of growth and production. Germination percentage and Mean Germination Time (MGT) were measured. Plants were cultivated in a growth chamber equipped with a recirculating hydroponic system (Nutrient Film Technique). Cultivation was performed under controlled environmental conditions (12 h photoperiod, light intensity 350 μmol m−2 s−1, temperature regime 26/20 °C light/dark, relative humidity 65–75%). Fertigation was performed with a standard Hoagland solution, modified for soybean specific requirements, and EC and pH were kept at 2.0 dS m−1 and 5.5 respectively. |
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| Keywords: | AR accumulation rate AUE Acid Use Efficiency BLSSs Bioregenerative Life Support Systems Cv cultivar (cultivated variety) DAS days after sowing DM dry matter EC electrical conductivity FW Fresh weight HI harvest index LA leaf area MGT Mean Germination Time NFT Nutrient Film Technique PAR photosynthetically active radiation RUE Radiation Use Efficiency WUE Water Use Efficiency |
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