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Distribution of pesticides in agricultural and urban soils of Brazil: a critical review.
Environmental Science: Processes & Impacts ( IF 5.5 ) Pub Date : 2020-01-27 , DOI: 10.1039/c9em00433e
Caroline Lopes Feijo Fernandes 1 , Lisiane Martins Volcão 1 , Paula Florêncio Ramires 1 , Renata Rodrigues De Moura 1 , Flavio Manoel Rodrigues Da Silva Júnior 1
Affiliation  

The extensive use of pesticides leads to soil contamination and is harmful to environmental health. Brazil is considered the world's largest consumer of pesticides; however, there is no published review of the distribution and concentration of pesticides in the Brazilian soils. Thus, the objective of this study was to analyze the occurrence of pesticide residues in Brazilian soils through a systematic review of the data obtained from the official records of government agencies and scientific literature. Further, this review aims to estimate the risk quotient using the data extracted from these studies and compare it with the values from current legislation. The studies on pesticides were selected and screened, out of which 21 scientific articles were included in this review. The studies highlighted that 55 pesticides were detected in the soils in Brazil. Of these, 58% belonged to the chemical class of organochlorines and their concentration ranged from 0.0002-1243.68 mg kg-1. DDT (0.00002-1243.68 mg kg-1), HCH (0.00007-962.00 mg kg-1) and diuron (0.0031-4.16 mg kg-1) contributed to highest pesticide concentrations in soil. Residential soils had higher pesticide concentrations and greater risk factors than the agricultural soils. Moreover, 20% of the studies detected mixtures containing more than 10 types of pesticides. This study concluded that the specific scenarios evaluated by the reviewed studies do not reflect the current pesticide use and contamination in Brazil and there is a need for more information related to pesticide contamination in soils.

中文翻译:

巴西农业和城市土壤中农药的分布:严格审查。

农药的广泛使用导致土壤污染,对环境健康有害。巴西被认为是世界上最大的农药消费国。但是,目前尚无关于巴西土壤中农药分布和浓度的公开评论。因此,本研究的目的是通过对从政府机构的官方记录和科学文献中获得的数据进行系统的回顾,分析巴西土壤中农药残留的发生。此外,本综述旨在使用从这些研究中提取的数据来估算风险商,并将其与当前法规中的值进行比较。选择和筛选了有关农药的研究,其中有21篇科学文章被纳入本综述。研究强调,巴西土壤中检出了55种农药。其中58%属于有机氯的化学类别,浓度范围为0.0002-1243.68 mg kg-1。滴滴涕(0.00002-1243.68 mg kg-1),六氯环己烷(0.00007-962.00 mg kg-1)和敌草隆(0.0031-4.16 mg kg-1)导致土壤中农药浓度最高。居住土壤比农业土壤具有更高的农药浓度和更大的危险因素。此外,有20%的研究检测到含有10种以上农药的混合物。这项研究得出的结论是,经审查的研究评估的具体情况并未反映巴西目前的农药使用和污染情况,因此需要更多有关土壤中农药污染的信息。58%属于有机氯的化学类别,浓度范围为0.0002-1243.68 mg kg-1。滴滴涕(0.00002-1243.68 mg kg-1),六氯环己烷(0.00007-962.00 mg kg-1)和敌草隆(0.0031-4.16 mg kg-1)导致土壤中农药浓度最高。居住土壤比农业土壤具有更高的农药浓度和更大的危险因素。此外,有20%的研究检测到含有10种以上农药的混合物。这项研究得出的结论是,经审查的研究评估的具体情况并未反映巴西目前的农药使用和污染情况,因此需要更多有关土壤中农药污染的信息。58%属于有机氯的化学类别,浓度范围为0.0002-1243.68 mg kg-1。滴滴涕(0.00002-1243.68 mg kg-1),六氯环己烷(0.00007-962.00 mg kg-1)和敌草隆(0.0031-4.16 mg kg-1)导致土壤中农药浓度最高。居住土壤比农业土壤具有更高的农药浓度和更大的危险因素。此外,有20%的研究检测到含有10种以上农药的混合物。这项研究得出的结论是,经审查的研究评估的具体情况并未反映巴西目前的农药使用和污染情况,因此需要更多有关土壤中农药污染的信息。16 mg kg-1)导致土壤中农药浓度最高。居住土壤比农业土壤具有更高的农药浓度和更大的危险因素。此外,有20%的研究检测到含有10种以上农药的混合物。这项研究得出的结论是,经审查的研究评估的具体情况并未反映巴西目前的农药使用和污染情况,因此需要更多有关土壤中农药污染的信息。16 mg kg-1)导致土壤中农药浓度最高。居住土壤比农业土壤具有更高的农药浓度和更大的危险因素。此外,有20%的研究检测到含有10种以上农药的混合物。这项研究得出的结论是,经审查的研究评估的具体情况并未反映巴西目前的农药使用和污染情况,因此需要更多有关土壤中农药污染的信息。
更新日期:2020-02-26
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