Earth Worms and Vermicomposting: A Review on the Story of Black Gold

Ahmad, Ali Hasan; Aslam, Zubair; Bellitürk, Korkmaz; Iqbal, Naeem; Idrees, Muhammad; Nawaz, Muhammad; Nawaz, M.; Munir, Mohammad; Kamal, Ahmad; Ullah, Ehsan; Jamil, Muhammad Ahsan; Akram, Yousuf; Abbas, Tanveer; Aziz, Muhammad Mohsin

doi:10.17582/journal.jis/2021/7.1.167.173

Cited by 12 publications

(7 citation statements)

References 7 publications

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“…This allows us to suppose that the concentration of the different soluble cations in a vermicompost could be a function of the worm's needs, and these in turn, of the conditions in which the vermicomposting is done. These characteristics allow vermicompost to be applied to soil or substrates to increase crop yields [38,46,47]. Another characteristic of vermicompost is the presence of bacteria of the genus Bacillus spp [48], which improved the root development of tomato plants by increasing the water and nutrient absorption capacity of the crops, associated with the production of IAA determined in the VC of our study.…”

Section: Characteristics Of the Vermicompostmentioning

confidence: 67%

Influence of Vermicompost on the Concentration of Exogenous Indole-3-Acetic Acid and Its Effect on the Development of Tomato Plants (Lycopersicum esculentum L.)

Segura-Castruita,

Valdivia-Dávila,

Yescas-Coronado

et al. 2024

Preprint

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Exogenous auxins such as indole-3-acetic acid (IAA) can modulate the effect of a plant's endogenous auxins. The objectives of this work were to quantify the concentration of IAA in sand-based substrates with vermicompost (S-VC), to establish the relationship between the concentration of exogenous IAA and the amount of vermicompost (VC), as well as determine its influence on the development of tomato plants. S-VC substrates with different percentages based on volume (0, 20, 40 and 50% VC) placed in pots, with five replicates and randomly distributed, were used to transplant tomato seedlings. In each substrate, the concentration of IAA was determined at the beginning and at the end of a culture cycle, as well as the microbial load; In addition, some performance components were measured in the plants. The results showed that gram-positive bacteria were found in the substrates with VC, whose colony-forming units were related to the concentration of IAA and the amount of VC in the substrates. Therefore, the IAA concentration presented a linear and positive relationship with the amount of VC in the substrates (R2 = 0.9171, at the beginning and R2 = 0.9712, at the end of the experiment).

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Section: Characteristics Of the Vermicompostmentioning

confidence: 67%

Influence of Vermicompost on the Concentration of Exogenous Indole-3-Acetic Acid and Its Effect on the Development of Tomato Plants (Lycopersicum esculentum L.)

Segura-Castruita,

Valdivia-Dávila,

Yescas-Coronado

et al. 2024

Preprint

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“…and enzymes (cellulose, nitrogenase, and phosphatase etc.) in the vermicast (7) . The addition of neem leaves is found to have positive influence on the nutritional parameters like nitrogen, organic carbon, Ca, P, and K in case of the vermicompost B as compared with the vermicompost A at same stock density of the earthworms.…”

Section: Resultsmentioning

confidence: 99%

“…The stock density of the earthworms is a decisive factor to influence the nutritional quality of the vermicompost which resulted in increased mean leaf number in the tomato plants. This might be due to the production of a finely fractionated humic organic matter with essential nutrients such as ammonium and nitrate that can be readily used by the plants (7) . On comparing results of treatment T1 with T2 (both having vermicompost produced with same stock density of the earthworm), it is concluded that neem leaves derived vermicompost (B) significantly increased the mean leaf number because of the rich nutritional quality (TOC, TN, P, K, and Ca) of the neem leaves.…”

Section: Influence Of Vermicompost On Mean Leaf Number and Mean Stem ...mentioning

confidence: 99%

“…Treatment T3 showed maximum increase (2.82 fold) in the mean wet plant weight which is followed by T1 (2.03 folds), T2 (1.96 folds), T5 (1.85 folds), and T4 (0.14 fold) as compared to the control (T6). Vermicomposting produces macro-and micronutrients, hormones, growth stimulants, regulators, and enzymes (lipases, chitinases, amylases, proteases, and cellulase) that convert organic matter into plant accessible form (7) .…”

Section: Influence Of Vermicompost On Mean Plant Height and Weightmentioning

confidence: 99%

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Influence of Vermicompost Derived from Rice Straw, Neem Leaves, and Cow Dung on Plant Growth Parameters of Solanum lycopersicum (Tomato)

Yadav¹,

Kumar²

2023

IJST

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Objectives: To investigate the effect of vermicompost derived from different combinations of rice straw, cow dung, and neem leaves on growth and productivity of tomato plants (Solanum lycopersicum). Methods: The vermicomposting studies are performed with rice straw, cow dung, and neem leaves in plastic containers under ambient conditions using Eisenia fetida species of earthworm. The vermicomposts (A, B, and C) are used with soil to evaluate influence on growth and productivity of tomato plants as compared with compost, commercial organic fertilizer, and control, i.e. T1: soil + vermicompost A, T2: soil + vermicompost B, T3: soil + vermicompost C, T4: soil + compost, T5: soil + commercial organic fertilizer, and T6: only soil (control). Findings: The vermicompost (C) produced with the highest stock density (40) of Eisenia fetida showed maximum improvement in growth parameters and productivity of tomato plants (T3), i.e. 6. 13, 11.2, 1.14, 2.82, 3.65, 0.30, 15.3 fold, and 7.58% increase in mean leaf number, plant height, stem diameter, plant weight, root weight and length, tomato number, and weight, respectively. There is found positive correlation between physicochemical parameters of the vermicompost and productivity of tomato plants. The vermicompost showed the best growth and productivity in tomato plants as compared with commercial organic fertilizer, compost, and control. Novelty: The present study is performed under cool and humid climate of Gurugram from October 2021 to January 2022. Neem leaves improved nutritional quality of vermicompost at same stock density of Eisenia fetida.

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“…They perform vermicomposting of sewage sludge and other pollutants within the soil (Wang et al, 2019). But the application of sewage sludge and heavy metals bioaccumulate in the earthworm's body and cause physiological and biochemical damage (Babic et al, 2016;Kooch and Jalil 2008;Ahmad et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

Sewage Sludge-Induced Effect on Growth, Enzyme Inhibition, and Genotoxicity can be Ameliorated Using Wheat Straw and Biochar in Pheretima posthuma Earthworms

Khalid

Zahoor

Riaz

et al. 2022

Front. Environ. Sci.

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Sewage sludge, rich in organic matter and nutrients, is widely used as a fertilizer to increase the fertility of soil. The direct application of sewage sludge without any treatment causes soil contamination as well as significantly affects the earthworm population. In the present study, the effect of sewage sludge-amended soil on growth, enzyme activities, and the DNA damage in Pheretima posthuma earthworms was studied under wheat straw and biochar treatment of 30-day laboratory incubation. Wheat straw, biochar, and sewage sludge were applied at 0 (control), 5, 10, and 25% w/w along with combined treatment of sewage sludge with biochar and wheat straw, respectively at 25% each. After the incubation period, the percentage change in mean weight and length was measured and esterase and phosphatase enzyme activities were quantitatively determined. RAPD-PCR and the comet assay were performed to assess the genotoxicity. A significant weight loss was observed (26%) at a 25% rate of sewage sludge and biochar (11%). Similarly, a maximum decrease in length was observed with sewage sludge (2.5%) followed by biochar (0.80%) at a 25% application rate. Mean weight and length both decreased by increasing the rate of sewage sludge and biochar. In addition, no change was observed in the weight and length of P. posthuma in the treatment consisting of sewage sludge and wheat straw. Moreover, sewage sludge caused inhibition of esterase and phosphatase activities as well as induced DNA damage. The comet parameters showed that wheat straw and biochar ameliorated the toxic effects of sewage sludge. It is, therefore, concluded that sewage sludge has a tangible impact on earthworms which ultimately disrupts ecosystem functions and wheat straw and biochar can thus be utilized to reduce the toxicity of sewage sludge in Pheretima posthuma earthworms.

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Earth Worms and Vermicomposting: A Review on the Story of Black Gold

Cited by 12 publications

References 7 publications

Influence of Vermicompost on the Concentration of Exogenous Indole-3-Acetic Acid and Its Effect on the Development of Tomato Plants (Lycopersicum esculentum L.)

Influence of Vermicompost on the Concentration of Exogenous Indole-3-Acetic Acid and Its Effect on the Development of Tomato Plants (Lycopersicum esculentum L.)

Influence of Vermicompost Derived from Rice Straw, Neem Leaves, and Cow Dung on Plant Growth Parameters of Solanum lycopersicum (Tomato)

Sewage Sludge-Induced Effect on Growth, Enzyme Inhibition, and Genotoxicity can be Ameliorated Using Wheat Straw and Biochar in Pheretima posthuma Earthworms

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