Dissipation and effect of glyphosate during composting of organic wastes

Grenier, Vanessa; Moingt, Matthieu; Lucotte, Marc; Pitre, Frédéric E.

doi:10.1002/jeq2.20335

Cited by 4 publications

(8 citation statements)

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“…The complete data on the evolution of physicochemical parameters (O.M., pH, total C and N, C: N, NH 4 + , NO 2 − ‐NO 3 − and PO 4 3− ) during the composting process can be found in Grenier et al (2022) and in Supplementary file 1. Briefly, no significant differences in the evolution of physicochemical parameters were measured between the control and glyphosate treatments.…”

Section: Resultsmentioning

confidence: 99%

“…Temperature values at sampling times 0, 2, 7, 28 and 112 were also similar between the two treatments (Figure 1). Sampling time T2 corresponds to the thermophilic phase (45°C), although it was very short, with a duration of 56 h for the control treatment and a duration of 48 h for the glyphosate treatment (Grenier et al, 2022). These results are consistent with similar studies conducted in small‐scale composters owing to the small volume and high heat dissipation (Horiuchi et al, 2003; Magalhaes et al, 1993; Xu et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

“…Extensive detail regarding the experimental design, sampling and analysis can be found in (Grenier et al, 2022). Briefly, mesocosm‐sized vessels (19 litter) were used to perform a controlled composting experiment using plant residues from the exhibition greenhouses and outdoor gardens of the Montreal Botanical Garden, litter from the City of Montreal Police Department's stables, and sheepfold bedding from an eco‐grazing experiment conducted at the Montreal Botanical Garden site in July 2019.…”

Section: Methodsmentioning

confidence: 99%

“…Temperature and glyphosate values measured in the control and glyphosate treatment on Days 0, 2, 28 and 112 of composting ( n = 4). Modified from Grenier et al (2022).…”

Section: Methodsmentioning

confidence: 99%

“…A related investigation conducted in a controlled environment showed a negligible effect of glyphosate on the decomposition of OM and the evolution of physicochemical parameters at different times during composting (0, 2, 28 and 112 days) (Grenier et al, 2022). The complete dissipation of glyphosate and the absence of AMPA were also observed at the end of 4 months of composting.…”

Section: Introductionmentioning

confidence: 99%

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Glyphosate has a negligible impact on bacterial diversity and dynamics during composting

Grenier

Laur

Gonzalez

et al. 2023

Environmental Microbiology

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The herbicide glyphosate has several potential entry points into composting sites and its impact on composting processes has not yet been evaluated. To assess its impact on bacterial diversity and abundance as well as on community composition and dynamics, we conducted a mesocosm experiment at the Montreal Botanical Garden. Glyphosate had no effect on physicochemical property evolution during composting, while it was completely dissipated by the end of the experiment. Sampling at Days 0, 2, 28 and 112 of the process followed by 16S rRNA amplicon sequencing also found no effect of glyphosate on species richness and community composition. Differential abundance analyses revealed an increase of a few taxa in the presence of glyphosate, namely TRA3‐20 (order Polyangiales), Pedosphaeraceae and BIrii41 (order Burkholderiales) after 28 days. In addition, five amplicon sequence variants (ASVs) had lower relative abundance in the glyphosate treatment compared to the control on Day 2, namely Comamonadaceae, Pseudomonas sp., Streptomyces sp., Thermoclostridium sp. and Actinomadura keratinilytica, while two ASVs were less abundant on Day 112, namely Pedomicrobium sp. and Pseudorhodoplanes sp. Most differences in abundance were measured between the different sampling points within each treatment. These results present glyphosate as a poor determinant of species recruitment during composting.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

“…Temperature and glyphosate values measured in the control and glyphosate treatment on Days 0, 2, 28 and 112 of composting ( n = 4). Modified from Grenier et al (2022).…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Glyphosate has a negligible impact on bacterial diversity and dynamics during composting

Grenier

Laur

Gonzalez

et al. 2023

Environmental Microbiology

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Comprehensive evaluation on effect of planting and breeding waste composts on the yield, nutrient utilization, and soil environment of baby cabbage

Qiao

Tie

Wei

et al. 2023

Journal of Environmental Management

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The Effect of Tomato Waste Compost on Yield of Tomato and Some Biological Properties of Soil

Durmuş

Kizilkaya

2022

Agronomy

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Turkey ranks third in the world in terms of tomato production, and approximately 12.5 million tons of tomatoes are produced annually. Especially in greenhouse cultivation, tomato wastes do not stay in the soil and are taken out of the greenhouse. Ten million tons of tomato waste is generated annually in Turkey. Compost is a very important organic material containing plant nutrients such as nitrogen, phosphorus, potassium, magnesium, and microelements. Tomato waste compost is a good organic fertilizer that increases both tomato yield and biological activities in soil. The aim of this study is to determine the effect of tomato compost (TC) on tomato yield and biological properties of soils. For this purpose, a pot experiment was established in the greenhouse and TC was applied in four different doses (TC1—1%, TC2—2%, TC3—4%, TC4—6%) to pots containing 3.5 kg of soil, these doses were also applied with chemical fertilizer (CF) (CF, TC1 + CF, TC + CF, TC3 + CF, TC4 + CF), and then tomato plants were grown. Each application was applied as three replications. Among the compost applications, the highest tomato yield was obtained with the TC4 (0.96 kg/pot, 14.4 t/ha) application: 15.66% higher yield was obtained compared to chemical fertilizers. Among all treatments, TC1 + CF (1.07 kg/pot, 16.10 t/ha), which increased the tomato yield by 28.9%, had the highest yield. All applications have increased CO2 production in the soil; the highest CO2 production was determined in the last harvest period with TC3 + CF and TC4 + CF (0.27 mgCO2 1 gr−1 24 h−1). The maximum microbial biomass carbon content was determined in the first harvest period. Among the applications, the most microbial biomass carbon was determined after the TC4 + CF (114.42 mgMBC 100 gr−1) application. Catalase enzyme activity was obtained the most with TC4 + CF (601.56 mlO2 1 gr−1) application in first florescence. Dehydrogenase enzyme activity was obtained the most with TC3 (55.96 μg TPF g−1) application in end of harvest. After compost application, tomato yield increased and biological properties of soil improved.

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Dissipation and effect of glyphosate during composting of organic wastes

Abstract: B i o r e m e d i a t i o n a n d B i o d e g r a d a t i o n

Cited by 4 publications

References 102 publications

Glyphosate has a negligible impact on bacterial diversity and dynamics during composting

Glyphosate has a negligible impact on bacterial diversity and dynamics during composting

Comprehensive evaluation on effect of planting and breeding waste composts on the yield, nutrient utilization, and soil environment of baby cabbage

The Effect of Tomato Waste Compost on Yield of Tomato and Some Biological Properties of Soil

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