Biochar, Compost, and Biochar–Compost Blend Applications Modulate Growth, Photosynthesis, Osmolytes, and Antioxidant System of Medicinal Plant Alpinia zerumbet

Zulfiqar, Faisal; Chen, Jianjun; Younis, Adnan; Abideen, Zainul; Naveed, Muhammad; Koyro, Hans Werner; Siddique, Kadambot H. M.

doi:10.3389/fpls.2021.707061

Cited by 27 publications

(13 citation statements)

References 54 publications

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“…Biochar has a multifunctional role, including GHG sequestration, improving soil properties, seed germination, crop yield and quality of horticulture produce, and increasing crop tolerance to abiotic and biotic stresses ( Kochanek et al., 2016 ; Almaroai and Eissa, 2020 ; Zulfiqar et al., 2021a ; Zulfiqar et al., 2021b ; Ibrahim et al., 2022 ; Ji et al., 2022 ; Taqdees et al., 2022 ) ( Figure 2 ). This review summarizes current progress on using BC to improve soil and substrate properties, seed germination, root growth, water and nutrient absorption, photosynthesis, crop yield, and tolerance to plant pathogens.…”

Section: Introductionmentioning

confidence: 99%

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Zulfiqar

Moosa²,

Nazir³

et al. 2022

Front. Plant Sci.

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The interest in sustainable horticulture has recently increased, given anthropogenic climate change. The increasing global population will exacerbate the climate change situation induced by human activities. This will elevate global food demands and the vulnerability of horticultural systems, with severe concerns related to natural resource availability and usage. Sustainable horticulture involves adopting eco-friendly strategies to boost yields while maintaining environmental conservation. Biochar (BC), a carbon-rich material, is widely used in farming to improve soil physical and chemical properties and as an organic substitute for peat in growing media. BC amendments to soil or growing media improve seedling growth, increase photosynthetic pigments, and enhances photosynthesis, thus improving crop productivity. Soil BC incorporation improves abiotic and biotic stress tolerance, which are significant constraints in horticulture. BC application also improves disease control to an acceptable level or enhance plant resistance to pathogens. Moreover, BC amendments in contaminated soil decrease the uptake of potentially hazardous metals, thus minimizing their harmful effects on humans. This review summarizes the most recent knowledge related to BC use in sustainable horticulture. This includes the effect of BC on enhancing horticultural crop production and inducing resistance to major abiotic and biotic stresses. It also discuss major gaps and future directions for exploiting BC technology.

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Section: Introductionmentioning

confidence: 99%

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Zulfiqar

Moosa²,

Nazir³

et al. 2022

Front. Plant Sci.

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“…In this study, both nitrogen and biochar increased leaf mass, stem mass, and root mass ( Supplementary Figure 1 ), indicating that nitrogen and biochar’s effects on root-shoot ratio might have been offset by their effects on aboveground biomass and underground biomass. Recent studies have shown that net photosynthesis rate ( P n ) and transpiration rate ( T r ) increased by 19 and 40% in the biochar treatments, respectively, compared to control ( Zulfiqar et al, 2021 ). Biochar significantly increased net photosynthetic rate, transpiration rate, stomatal conductance, and water use efficiency during the plant growth period, relative to control ( Wang et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Nitrogen and Biochar Addition Affected Plant Traits and Nitrous Oxide Emission From Cinnamomum camphora

Zhu

Luo

et al. 2022

Front. Plant Sci.

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Atmospheric nitrous oxide (N2O) increase contributes substantially to global climate change due to its large global warming potential. Soil N2O emissions have been widely studied, but plants have so far been ignored, even though they are known as an important source of N2O. The specific objectives of this study are to (1) reveal the effects of nitrogen and biochar addition on plant functional traits and N2O emission of Cinnamomum camphora seedlings; (2) find out the possible leaf traits affecting plant N2O emissions. The effects of nitrogen and biochar on plant functional traits and N2O emissions from plants using C. camphora seedlings were investigated. Plant N2O emissions, growth, each organ biomass, each organ nutrient allocation, gas exchange parameters, and chlorophyll fluorescence parameters of C. camphora seedlings were measured. Further investigation of the relationships between plant N2O emission and leaf traits was performed by simple linear regression analysis, principal component analysis (PCA), and structural equation model (SEM). It was found that nitrogen addition profoundly increased cumulative plant N2O emissions (+109.25%), which contributed substantially to the atmosphere’s N2O budget in forest ecosystems. Plant N2O emissions had a strong correlation to leaf traits (leaf TN, Pn, Gs, Ci, Tr, WUEL, α, ETRmax, Ik, Fv/Fm, Y(II), and SPAD). Structural equation modelling revealed that leaf TN, leaf TP, Pn, Ci, Tr, WUEL, α, ETRmax, and Ik were key traits regulating the effects of plants on N2O emissions. These results provide a direction for understanding the mechanism of N2O emission from plants and provide a theoretical basis for formulating corresponding emission reduction schemes.

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“…This is because the branches and leaves of ginger contain volatile oils, phenols, pyrones, flavonoids, diterpenes, and other compounds with strong antibacterial effects [7,8]. Therefore, there is a need to construct a bacterial agent that can quickly detoxify the branches and leaves of Yanshan ginger for efficient fermentation and production of bio-organic fertilizer [9,10].…”

Section: Introductionmentioning

confidence: 99%

Microbial diversity, culture conditions, and application effect of YSJ: A composite microbial system for degradation of Yanshan ginger branches and leaves

Chen

Yuan

et al. 2022

PLoS ONE

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Background Yanshan ginger (Alpinia zerumbet) is a perennial herb used as a medicine and spice, and is beneficial for soil and water conservation in karst areas. Given the widespread utilization of Yanshan ginger in China and continuing expansion of the planting area, disposal of waste materials is problematic. The branches and leaves of Yanshan ginger contain a variety of potent antibacterial compounds, such as volatile oils, phenols, and diterpenoids, which hinder their rapid degradation by microorganisms. In this study, we screened and constructed a composite microbial system to provide a technical reference for production of organic fertilizer from the branches and leaves of Yanshan ginger. Methods A composite microbial system, “YanShan Jun” (YSJ), was developed by screening for efficient detoxification and degradation of the branches and leaves of Yanshan ginger. High-throughput sequencing technology was used to investigate the stability and diversity of YSJ subcultures. The culture conditions for YSJ were optimized by sequential single-factor experiments and response surface analysis. Yanshan ginger leaves and branches were inoculated with YSJ to study its effects on composting efficiency. Results The microbial composition of YSJ was stable and rich in diversity through continuous subculture. Through response surface analysis, the optimized culture conditions for YSJ were determined as follows: peptone 8.0 g/L, sodium chloride 9.0 g/L, calcium carbonate 5.2 g/L, yeast powder 1.6 g/L, cultivation temperature 56.1°C, and culture duration 6 d. Under these conditions, the degradation rate of Yanshan ginger was 58.32%, which was 14.22% higher than that before optimization. The ability of YSJ to degrade the antibacterial compounds of ginger after optimization was significantly enhanced. Inoculation of Yanshan ginger compost with YSJ increased the fermentation temperature, prolonged the high-temperature period, and reduced the water content and pH of the compost in the early stage. Conclusions Inoculation of plant compost with YSJ bacteria improves the nutritional environment of the compost, promotes the composting reaction, promotes the rapid formation of a strong indigenous microflora, forms a beneficial microecological environment, and increases the composting efficiency. This study provides a theoretical basis for practical application of YSJ for organic fertilizer production from Yanshan ginger.

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Biochar, Compost, and Biochar–Compost Blend Applications Modulate Growth, Photosynthesis, Osmolytes, and Antioxidant System of Medicinal Plant Alpinia zerumbet

Cited by 27 publications

References 54 publications

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Nitrogen and Biochar Addition Affected Plant Traits and Nitrous Oxide Emission From Cinnamomum camphora

Microbial diversity, culture conditions, and application effect of YSJ: A composite microbial system for degradation of Yanshan ginger branches and leaves

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