Effect of vermicompost application on root growth and ginsenoside content of Panax ginseng

Eo, Jinu; Park, Kee-Choon

doi:10.1016/j.jenvman.2018.12.101

Cited by 17 publications

(11 citation statements)

References 39 publications

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“…Interestingly, this improvement was more or less synergic with the soil fertility (or basic soil health) and plant/root growth improvement mentioned above. As shown in a field trial by Eo et al [ 58 ], the use of vermi-compost in ginseng fields failed to improve ginseng quality despite an increase in root growth.…”

Section: Discussionmentioning

confidence: 99%

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Liu

Xiao

Tang

et al. 2022

Horticulture Research

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The production of ginseng, an important Chinese medicine crop, has been increasingly challenged by soil degradation and pathogenic disease under continuous cropping in Northeast China. In a field experiment, an Alfisol garden continuously cropped with Chinese ginseng (Panax ginseng C. A. Meyer) was treated with soil amendment at 20 t ha−1 with maize (MB) and wood (WB) biochar, respectively, compared to conventional manure compost (MC). Two years after the amendment, the rooted topsoil and ginseng plants were sampled. The changes in soil fertility and health, particularly in the soil microbial community and root disease incidence, and in ginseng growth and quality were portrayed using soil physico-chemical assays, biochemical assays of extracellular enzyme activities and gene sequencing assays as well as ginsenoside assays. Topsoil fertility was improved by 23% and 39%, ginseng root biomass increased by 25% and 27%, and root quality improved by 6% and 18% with WB and MB, respectively, compared to MC. In the ginseng rhizosphere, fungal abundance increased by 96% and 384%, with a significant and insignificant increase in bacterial abundance, respectively, under WB and MB. Specifically, the abundance of Fusarium spp. was significantly reduced by 19–35%, while that of Burkholderia spp. increased by folds under biochar amendments over MC. Relevantly, there was a significant decrease in the abundance proportion of pathotrophic fungi but a great increase in that of arbuscular mycorrhizal fungi, along with an enhanced microbial community network complexity, especially fungal community complexity, under biochar amendments. Thus, biochar, particularly from maize residue, could promote ginseng quality production while enhancing soil health and ecological services, including carbon sequestration, in continuously cropped fields.

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Section: Discussionmentioning

confidence: 99%

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Liu

Xiao

Tang

et al. 2022

Horticulture Research

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“…In addition to atmospheric N fixation, the solubility of minerals such as P, K, Cu, and Fe and the production of sidrophor are among the important effects of Azotobacter and Azospirillum ( Yadav et al, 2014 ; Rodrigues, Ladeira & Arrobas, 2018 ). On the other hand, vermicompost is also rich in some macro and micro elements ( García et al, 2014 ; Yadav et al, 2014 ; Eo & Park, 2019 ). Therefore, vermicompost involves desirable properties such as a high capacity for cation exchange, increased absorption of nutrients and other beneficial physical, biological, and chemical properties ( Ludibeth, Marina & Vicenta, 2012 ) increasing the chlorophyll content and stability of the photosynthetic system of rice plants .The vermicompost application led to a decrease in the Reactive Oxygen Species (ROS) production, increased accessibility to nutrients and the required elements for biochemical activity ( Baghbani-Arani & Modarres-Sanavy, 2017 ).…”

Section: Discussionmentioning

confidence: 99%

“…In both inoculated and non-inoculated plants, VAM treatment produced the highest biological yield and VRAM treatment ranked the next, in addition, the maximum biological yield was observed under inoculation with Azotobacter . Eo & Park (2019) also stated the role of vermicompost in increasing rice growth and yield, so that the vermicompost application has altered the resource allocation and soil chemical properties leading to establishment of new interactions between root parameters and components. In most studies similar to our study, the main cause of increase in the growth and grain yield of rice by applying organic fertilizers under inoculation with N 2 -fixing bacteria has been introduced due to the increase in the availability and supply of N in different stages of rice growth.…”

Section: Discussionmentioning

confidence: 99%

“…If vermicomposts are integrated in nutrient management in agricultural fields, the costs of crop production may be reduced significantly ( Lim, Lee & Wu, 2016 ; Sharma & Garg, 2018 ). On the other hand, some composts and vermicomposts (especially those made from chaff of wheat or rice straw straw)with high value of carbon –to- nitrogen (C/N) may increase the time of bioconversion of the crop or stimulate N fertilization in the soil, and face the plant with N deficiency in some growth stages ( Zhu et al, 2013 ; Li et al, 2015 ; Eo & Park, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

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Organic soil amendments using vermicomposts under inoculation of N₂-fixing bacteria for sustainable rice production

Ghadimi

Sirousmehr

Ansari

et al. 2021

PeerJ

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Organic and biological fertilizers are considered as a very important source of plant nutrients. A field experiment was conducted during 2017−2018 in paddy soil to investigate the effect of vermicomposting of cattle manure mixture with Azolla and rice straw on soil microbial activity, nutrient uptake, and grain yield under inoculation of N2-fixing bacteria. Experimental factors consisted of organic amendments at six levels (vermicomposts prepared from manure (VM); manure + rice straw (VRM); manure + Azolla mixture (VAM); manure + rice straw + Azolla mixture (VRAM); raw manure without vermicomposting (M), and a control) and N2-fixing bacteria at three levels (Azotobacter chroococcum, Azospirillum brasilence, and non−inoculation). The results showed that, vermicompost treatments compared to control and raw manure significantly increased the number and biomass−C of soil microorganisms, urease activity, number of tillers hill−1, phosphorus (P) and potassium (K) uptake, and grain and protein yield. Inoculation of plants with N2-fixing bacteria, especially Azotobacter increased the efficiency of organic amendments, so that the maximum urease activity, soil microbial activity, P and N uptake, and grain yield (4,667 (2017) and 5,081 (2018) kg/h) were observed in vermicompost treatments containing Azolla (VAM and VRAM) under inoculation with Azotobacter. The results of the study suggested that, using an organic source along with inoculation with appropriate N2-fixing bacteria for vermicompost has a great effect on enzyme activity, soil biology, nutrient uptake and grain yield has a synergistic interaction on agronomic traits under flooded conditions. Therefore, this nutrient method can be used as one of the nutrient management strategies in the sustainable rice production.

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“…Panax ginseng C. A. Meyer (Asian ginseng) is a traditional Chinese herbal medicine with nutritional and medicinal value, rich in ginsenosides, polysaccharides and other active components, and widely used by people all over the world [ 1 , 2 ]. Over the last decade, ginseng and its products have been extensively used for disease treatment and improving human health [ 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

Ginseng of different ages is affected by the accumulation of heavy metals in ginseng soil

et al. 2022

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Heavy-metal pollution has been established to affect ginseng quality. However, this effect is still unknown in ginseng of different ages, emphasizing the need to investigate the effects of heavy metals in soils on ginseng growth. Herein, we determined the content of heavy metals (Cu, Cd, Pb, Hg, and As) in ginseng of different ages (2 to 6-year-old) and the corresponding soil samples. Then, the total ginsenosides content of ginseng and rate-limiting enzyme (HMGR, SQE, CYP450) activity in the synthesis of ginsenosides were assessed. Results from 200 differently-aged Chinese ginseng showed that increased ginsenoside content in 3 to 5-year-old ginseng was paralleled by increased heavy metal element content in ginseng and its soil. The activity of rate-limiting enzymes increased in the first four years of ginseng growth and then exhibited a steady or downward trend. Further analysis suggested that heavy metal elements in soils could directly affect ginsenoside content. Moreover, we found that Cu significantly affected the rate-limiting enzyme CYP450 activity. Further principal component analysis and correlation analysis found that heavy metals could obviously inhibit ginseng growth during the 5th and 6th years. Heavy metal content in soils has huge prospects for predicting ginsenoside, Cu and As content in ginseng. This study provided support for ginseng cultivation, quality research and quality assessment.

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Effect of vermicompost application on root growth and ginsenoside content of Panax ginseng

Cited by 17 publications

References 39 publications

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Organic soil amendments using vermicomposts under inoculation of N₂-fixing bacteria for sustainable rice production

Ginseng of different ages is affected by the accumulation of heavy metals in ginseng soil

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Effect of vermicompost application on root growth and ginsenoside content of Panax ginseng

Cited by 17 publications

References 39 publications

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Improved ginseng production under continuous cropping through soil health reinforcement and rhizosphere microbial manipulation with biochar: a field study ofPanax ginsengfrom Northeast China

Organic soil amendments using vermicomposts under inoculation of N2-fixing bacteria for sustainable rice production

Ginseng of different ages is affected by the accumulation of heavy metals in ginseng soil

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Organic soil amendments using vermicomposts under inoculation of N₂-fixing bacteria for sustainable rice production