Abstract
Introducing plants in the design of biophilic indoor environments is fundamental for improving human health, well-being, and performance. Previous studies showed that the phenotype of the model plant Arabidopsis thaliana grown under LED-sourced CoeLux® lighting systems was characterized by low biomass production rates, a small leaf area, and a low lamina-to-petiole length ratio, suggesting the onset of a strong shade avoidance syndrome. Therefore, it is essential to identify new strategies to improve plant growth under these peculiar light conditions. In the present work, we investigated the effects of two growing media (i.e., low-fertility soil and soil-less substrate), solid and liquid fertilizers, manure, biochar, perlite, mirror reflection of light, and a 24 h photoperiod on A. thaliana plants growing under CoeLux® lighting systems at a light intensity of 30 μmol m−2s−1. We found that the biochar soil amendment to low-fertility soil increases both the above-ground plant biomass and leaf area. Furthermore, the application of a mirror behind the plants and a continuous photoperiod improves not only the biomass and the leaf area but also the lamina-to-petiole length ratio. The combination of different beneficial treatments can further boost plant growth in the low-intensity light environment characterizing the CoeLux® biophilic lighting systems.
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Claims 2
Claim · model-written summary
Biochar amendment of low-fertility soil increases above-ground biomass and leaf area of Arabidopsis thaliana under CoeLux lighting.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Treatment
- biochar soil amendment to low-fertility soile1
- Outcome
- above-ground plant biomass and leaf areae1
- Direction
- increasese1
- Setting
- LED-sourced CoeLux® lighting systemse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the model plant Arabidopsis thaliana grown under LED-sourced CoeLux® lighting systems”
e1“the biochar soil amendment to low-fertility soil increases both the above-ground plant biomass and leaf area”
Claim · model-written summary
A mirror behind the plants combined with a continuous photoperiod improves biomass, leaf area and lamina-to-petiole length ratio of Arabidopsis thaliana.
- Taxon
- Arabidopsis thalianaArabidopsis thalianae0
- Treatment
- a mirror behind the plants and a continuous photoperiode2
- Outcome
- the biomass and the leaf area but also the lamina-to-petiole length ratioe2
- Direction
- improvese2
- Setting
- LED-sourced CoeLux® lighting systemse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the model plant Arabidopsis thaliana grown under LED-sourced CoeLux® lighting systems”
e2“the application of a mirror behind the plants and a continuous photoperiod improves not only the biomass and the leaf area but also the lamina-to-petiole length ratio”
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light · growth · Arabidopsis thaliana (thale cress)Results differ
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other · growth · Arabidopsis thaliana (thale cress)Results agree
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.