Anaerobic and aerobic degradation studies of herbicides and radiorespirometry of microbial activity in soil

Mendes, Kássio Ferreira; Mielke, Kamila Cabral; Júnior, Lucas Heringer Barcellos; Cruz, Ricardo Alcántara de la; Sousa, Rodrigo Nogueira de

doi:10.1201/9781003005070-4

Cited by 2 publications

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“…Degradation Process of Herbicides in Biochar-Amended Soils: Impact on Persistence and… DOI: http://dx.doi.org/10.5772/intechopen.101916 important for the dissipation of herbicides in the soil when the intention is the remediation of the product. However, under agronomic conditions in which a residual effect of the herbicide on the soil is desired for weed control, the addition of biochar can reduce the persistence of the product, consequently reducing its effectiveness in management [2,9,44].…”

Section: Influence Of Biochar Amendment In Soil On the Herbicide Degradationmentioning

confidence: 99%

“…The behavior of the herbicide in the soil is governed by the physicochemical properties of the molecule and the soil and can have retention, transport, and transformation processes [1]. In transformation processes, the herbicide molecule is degraded into secondary compounds (metabolites) by physical (photodegradation), chemical, and biological processes (Figure 1) [2].…”

Section: Introductionmentioning

confidence: 99%

“…Biological degradation is the most common way to dissipate the herbicides in the environment, and it is carried out mainly by the soil microbiota which use the herbicide molecules as an energy source and transforms it into compounds without herbicidal action, the process is also known as detoxification [3,4]. The chemical complexity of the herbicide determines the higher or lower facility of microorganisms to degrade the molecules, characterizing it in low or high persistence in the soil [5], being measured by degradation or dissipation half-life time (DT 50 ) in laboratory or field conditions, respectively [2].…”

Section: Introductionmentioning

confidence: 99%

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Degradation Process of Herbicides in Biochar-Amended Soils: Impact on Persistence and Remediation

Mielke¹,

Mendes²,

Sousa³

et al. 2022

Biodegradation Technology of Organic and Inorganic Pollutants

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Biochar is a solid material derived from different feedstocks that is added to the soil for various agronomic and environmental purposes, such as nutrient sources and CO2 emission mitigators. In modern agriculture, the application of herbicides directly in the soil is common for pre-emergent weed control; however, biochars may interfere in the degradation processes of these agrochemicals, increasing or decreasing their persistence. Long persistence is desirable for some herbicides in determined cultivation systems, especially in monoculture, but persistence is undesirable in crop rotation and/or succession systems because the subsequent cropping can be sensitive to the herbicide, causing carryover problems. Therefore, knowing the interactions of biochar-herbicide is essential, since these interactions depend on feedstock, pyrolysis conditions (production temperature), application rate, biochar aging, among other factors; and the physical-chemical characteristics of the herbicide. This chapter shows that the addition of biochar in the soil interferes in the persistence or remediation processes of the herbicide, and taking advantage of the agricultural and environmental benefits of biochars without compromising weed control requires a broad knowledge of the characteristics of biochar, soil, and herbicide and their interactions.

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Section: Influence Of Biochar Amendment In Soil On the Herbicide Degradationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Degradation Process of Herbicides in Biochar-Amended Soils: Impact on Persistence and Remediation

Mielke¹,

Mendes²,

Sousa³

et al. 2022

Biodegradation Technology of Organic and Inorganic Pollutants

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Understanding the Environmental Behavior of Herbicides: A Systematic Review of Practical Insights

Ferreira Mendes,

Nogueira de Sousa,

da Costa Lima

et al. 2023

Pesticides - Agronomic Application and Environmental Impact

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Herbicides play a crucial role in weed control in various agricultural and non-agricultural settings. However, their behavior in the environment is complex and influenced by multiple factors. Understanding their fate and retention, transport, and transformation is essential for effective herbicide management and minimizing their impact on ecosystems. This chapter begins by emphasizing the importance of studying herbicide behavior in real-world conditions, considering physical, chemical, and biological amendments in soil. It highlights how these amendments can directly affect weed control efficacy when residual herbicides are applied in pre-emergence. Detailed knowledge of herbicide behavior in the environment enables the adjustment of application rates based on soil type and climatic conditions, which is a key aspect of precision agriculture. The study of herbicide interactions in the environment has experienced significant growth across various subfields, particularly in the last three decades. It can be considered a multidisciplinary subject that encompasses areas such as agricultural, environmental, and biological sciences, as well as technology, physics, chemistry, and biomedicine. Overall, there are over 35,000 papers on herbicide behavior in the environment, and the trend indicates that the number of publications will continue to grow in the coming years.

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Anaerobic and aerobic degradation studies of herbicides and radiorespirometry of microbial activity in soil

Cited by 2 publications

References 1 publication

Degradation Process of Herbicides in Biochar-Amended Soils: Impact on Persistence and Remediation

Degradation Process of Herbicides in Biochar-Amended Soils: Impact on Persistence and Remediation

Understanding the Environmental Behavior of Herbicides: A Systematic Review of Practical Insights

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