Key Takeaways
- A recent study demonstrates that incorporating biocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More derived from chrysanthemum waste organs into growing substrates significantly improves shoot and root fresh weight during plant acclimatization.
- Research findings indicate that applying lower concentrations of biochar, specifically at 4% or 8%, optimizes leaf surface area and enhances photosynthetic efficiency without negative impacts.
- Laboratory evaluations reveal that organ-specific biochar successfully stimulates the synthesis of valuable bioactive compounds and boosts the activity of plant antioxidant enzymes.
- The application of higher biochar concentrations, particularly at 12%, increases the abundance of beneficial bacteria and Actinobacteria while enhancing critical soil enzyme activities.
- Utilizing recycled horticultural waste as a carbon-rich soil amendmentA soil amendment is any material added to the soil to enhance its physical or chemical properties, improving its suitability for plant growth. Biochar is considered a soil amendment as it can improve soil structure, water retention, nutrient availability, and microbial activity. More supports circular economy goals and provides a sustainable method for managing greenhouse biomassBiomass is a complex biological organic or non-organic solid product derived from living or recently living organism and available naturally. Various types of wastes such as animal manure, waste paper, sludge and many industrial wastes are also treated as biomass because like natural biomass these More residues.
A recent study in Scientific Reports by Dariusz Kulus, Alicja Tymoszuk, Agata Kuklicz, Piotr Wojewódzki, Arkadiusz Mikołajczak, Joanna Lemanowicz, Katarzyna Gościnna, Piotr Kanarek, Marta Michalska-Sionkowska, and Maria Swiontek Brzezinska investigates the circular reuse of organ-specific chrysanthemum residues by converting them into biochar for subsequent horticultural crop production. Modern horticultural practices continuously seek sustainable ways to manage greenhouse waste while maintaining high plant quality during the vulnerable acclimatization stage of micropropagated plantlets. To evaluate these dynamics, the researchers pyrolyzed roots, shoots, and flowers of glasshouse-grown chrysanthemums at 400 degrees Celsius and blended the resulting materials into peat-perlite substrates at concentrations of 4%, 8%, and 12%.
The experimental findings reveal that both the source organ and the application rate significantly influence substrate properties and plant development. While unamended control substrates promoted maximum shoot elongation and leaf counts, moderate biochar supplementation at 4% and 8%—particularly from shoot and root sources—effectively increased shoot and root fresh weights as well as total leaf surface area. Furthermore, biochemical analyses showed that biochar application actively stimulated the synthesis of bioactive compounds and heightened antioxidant enzyme activity, with flower- and shoot-derived materials yielding optimal responses at lower doses. Photosynthetic performance remained robust across most treatments, and 8% root biochar even improved overall photosynthetic efficiency. Microbiological assessments further indicated that higher carbon supplementation rates enriched substrate bacterial populations and enhanced soil enzymatic functions, demonstrating the viability of closed-loop organic waste management in commercial horticulture.
Source: Kulus, D., Tymoszuk, A., Kuklicz, A., Wojewódzki, P., Mikołajczak, A., Lemanowicz, J., Gościnna, K., Kanarek, P., Michalska-Sionkowska, M., & Swiontek Brzezinska, M. (2026). Organ specific chrysanthemum biochar for circular waste reuse and sustainable plant production. Scientific Reports, 16, 101595.
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