Effect of aerated and non-aerated compost tea against some fungal phytopathogens

Islam, Rinita; Sultana, Sabiha; Islam, Md. Rejaul; Mondal, Chhoa

doi:10.3329/jbau.v17i2.41936

Cited by 3 publications

(4 citation statements)

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“…After 7 days of storage, the total phenolics and flavonoids and the antioxidant capacity were significantly lower than at harvest time, as was observed by Kalt et al 1999 [68], Serafini et al 2002 [69] and Ninfali and Bacchiocca 2005 [70]. The decrease in total phenolics that occurs during storage may be due to increased antioxidant enzymatic activities [71]. However, other authors found that total flavonoids remained quite constant in spinach [72] and the phenolic contents increased in lettuce [73].…”

Section: Discussionmentioning

confidence: 61%

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

et al. 2020

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The aim of this work was to study whether the application of a directly brewed compost extract (added in the nutrient solution or by microsprinkler) could be used to improve the yield and quality of baby leaf red lettuce growing in a floating system, and to control the incidence of Pythium irregulare. Its effect on the quality of fresh-cut red lettuce was also studied. For this, two experiments were carried out over two growing cycles (winter–spring and autumn). The results showed that the use of compost extract added to the nutrient solution improved baby leaf lettuce growth and quality, reducing the nitrate content and enhancing the content of potentially health-promoting compounds such as phenols and flavonoids and the antioxidant capacity. Microbial quality was maintained during storage and the compost extract had no negative effect on the microbial load of the final product. In addition, application of the compost decreased the population of P. irregulare in the water. It is concluded that the application of directly brewed compost extract is of potential use in a sustainable soilless production system for baby leaf red lettuce, since it improves the yield and quality of the product and is able to control the incidence of P. irregulare.

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Section: Discussionmentioning

confidence: 61%

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

et al. 2020

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“…In the present study, both biochar and vermicompost are able to influence the physical and chemical properties of growth media. Biochar being a carbon sequester, has several beneficial effects on soil properties, such as increased water holding capacity (Karhu et al, 2011), enhanced cation exchange capacity (CEC) as well as base saturation (BS) (Yuan and Xu, 2011), In addition to this, vermicompost alters both nutritional and microbial status of media (Islam et al, 2019). The composition of biochars and vermicompost in the growth media of the present study was selected arbitrarily and not optimized with respect to the needs of a Cabbage.…”

Section: Resultsmentioning

confidence: 99%

Efficacy of vermicompost and biochar on the growth and yield of green cabbage

Hassan

Solaiman

Арефин³

et al. 2021

Asian Australas. J. Biosci. Biotechnol.

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Organic production of Green Cabbage may ensure the nutritional status and food safety for the consumers, but maintaining the productivity and economic viability of inorganic production is almost impossible for farmers of Bangladesh. At this context, a study was carried out at the Horticulture farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2017 to March 2018 to evaluate the efficacy of vermicompost and biochar on agronomic properties and economic of cabbage. Four biochar treatments, ( B0: 0 t ha-1 biochar, B1 :2 t ha-1 , B2 :6 t ha-1 and B3 :10 t ha-1) and three vermicompost treatments (Vc0 : 0 t ha-1, Vc1 :4 t ha-1 and Vc2 :8 t ha-1 ) were selected. B0Vc0 was considered as control. The results revealed that maximum highest plant height, number of leaves plant-1, leaf length, leaf breadth and plant spread were obtained when the B3 was mixed withVc2. But the thickness of head (10.29 cm), diameter of head (16.66 cm), % dry matter of cabbage (14.93%), weight of cabbage head plant-1 (1370 g) and yield of cabbage (52.75 t ha-1) were obtained from the treatment combination of B2Vc2. In terms of economic sustainability, the net return (Tk 523598) with highest BCR (3.70) was obtained from the treatment combination of B1Vc1.These results provide prove the effectiveness of biochar and vermicompost in sustainable Cabbage production. It also provides baseline guidelines for further investigation of choosing the appropriate combination of organic amendments based on crop requirement to maximize economic value. Asian Australas. J. Biosci. Biotechnol. 2021, 6 (2), 68-74

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“…For the present study, the focus is compost tea amendments from vermicompost. Compost tea is a method that utilizes compost or vermicompost to brew with nutrients and microbial starter cultures to increase biological activity (Lim et al, 2016;Islam et al, 2019).…”

Section: Compost Vermicompost and Compost Teamentioning

confidence: 99%

“…The majority of literature relating to compost tea is focused on the methods of creating compost tea, the pathogens potentially present in various methods, and the results on soil and plant health (De Corato, 2020;Mengesha et al, 2017;Islam et al 2019). Research on the relationship between compost tea and GHG emissions is limited, but there is a significant amount of research on the impact of compost on GHG emissions.…”

Section: Compost Vermicompost and Compost Teamentioning

confidence: 99%

Impact of Farming Practices on Soil Greenhouse gas Emissions

Maciel

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Agricultural soils are notable contributors of greenhouse gases (GHG), particularly carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). Employing sustainable soil management practices, such as the incorporation of cover crops (CC), mulching, and organic amendments (compost tea), has been identified as effective in enhancing soil and mitigating GHG emissions.This study investigates the impact of diverse farming practices on soil conditions and GHG emissions, focusing on two farms: EarthSeed Farm in Sebastopol, California, and Good Courage Farm in Hutchinson, Minnesota. Measurements include soil CO2, N2O, and CH4 gas fluxes using a closed chamber with a GasMet GT5000 Terra FTIR gas analyzer. Soil-atmosphere gas fluxes were calculated by determining the rate of change of gas concentrations over time in the chamber. Soil characteristics were analyzed through measurements of soil infiltration, temperature, moisture, bulk density, and mineral loss on ignition (LOI). Both farms were found to be sources of CO2 (averages ± one standard deviation include: EarthSeed 0.16 ± 0.15 mg m -²s -1 ; Good Courage 0.25 ± 0.16 mg m -²s -1 ) and N2O (EarthSeed 0.03 ± 0.05 µg m -2 s -1 ; Good Courage 0.04 ± 0.04 µg m -2 s -1 ). Good Courage was a weak CH4 sink (-0.05 ± 0.03 µg m -2 s -1 ). Although minimal, EarthSeed exhibited seasonal fluctuations between acting as weak sources and sinks of CH4 (0.15 ± 0.8 µg m -2 s -1 on average). Strong seasonality of gas fluxes was observed, particularly the CO2 flux, which was predominantly driven by soil water content (SWC) and soil temperature, with the highest CO2 fluxes at EarthSeed Farm occurring when SWC was 20 -25%. Compost tea amendments did not statistically significantly alter soil conditions or soil gas fluxes relative to the control. Notably, at Good Courage Farm, the presence of poultry led to elevated CO2 and N2O fluxes as well as a greater amount of organic LOI compared to the control blocks. Environmental conditions were the greatest drivers of gas fluxes. However, research focused on individual management practices over an extended temporal span or targeting projects established for at least three years is recommended to yield greater comprehension of the long-term impacts of farming practices on soil health and greenhouse gas emissions. v Acknowledgements I want to thank my thesis committee chair, Dr. Andrew Oliphant, who supported and guided me with much patience through this thesis research and writing process. I am grateful for his invaluable mentorship in fieldwork and project management that provided opportunities in my career. Thank you to Dr. Jennifer Blecha and family for welcoming me to Good Courage Farm and supporting this research on their farm. I would also like to thank Dr. Leonhard Blesius for his support, particularly his contribution of soil expertise. A huge thank you to each of the research assistants, Jose DeAnda, Angelica Cresencio, Damian Tapia, and Ori Hartenstein, who spent early mornings and long days with me in the field collecting data. I could ...

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Effect of aerated and non-aerated compost tea against some fungal phytopathogens

Cited by 3 publications

References 11 publications

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

Application of Directly Brewed Compost Extract Improves Yield and Quality in Baby Leaf Lettuce Grown Hydroponically

Efficacy of vermicompost and biochar on the growth and yield of green cabbage

Impact of Farming Practices on Soil Greenhouse gas Emissions

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