Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya

This study assessed pesticide usage practices, knowledge and health effects of pesticides through occupational exposure in randomly selected horticultural farmers in Imenti North, Imenti South and Buuri Sub-counties in Meru, Kenya, where horticultural crops are grown intensively for export and local...

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Main Authors: Gabriel M. Marete, Joseph O. Lalah, Jane Mputhia, Vitalis W. Wekesa
Format: Article
Language:English
Published: Elsevier 2021-02-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844021002231
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author Gabriel M. Marete
Joseph O. Lalah
Jane Mputhia
Vitalis W. Wekesa
author_facet Gabriel M. Marete
Joseph O. Lalah
Jane Mputhia
Vitalis W. Wekesa
author_sort Gabriel M. Marete
collection DOAJ
description This study assessed pesticide usage practices, knowledge and health effects of pesticides through occupational exposure in randomly selected horticultural farmers in Imenti North, Imenti South and Buuri Sub-counties in Meru, Kenya, where horticultural crops are grown intensively for export and local consumption. The study was done through use of questionnaire distributed to farmers' households, agricultural extension workers and health care workers. The survey established that various classes of pesticides were used in horticultural crop farming and animal production in all the three sub-counties, with the most frequently used (>60 respondents out of 173) being parathion, diazinon, dimethoate, permethrin, pirimiphos methyl, endrin, deltamethrin, dieldrin, propoxur and endosulfan. It was found that there is a gap between the existing government regulations on pesticide use and safe handling and the implementation of these regulations by dealers, farmers and farm workers in the three sub-counties as some of the pesticides that were being used such as parathion, endrin, dieldrin and carbofuran had been banned by the government. Although most farmers had general information on pesticide usage through various social groups and contact with agricultural extension workers, only 32–43 % of the farmers had received training on pesticide handling and use. Most farmers (65%) had knowledge of safe pesticide handling procedures including reading labels on packages and wearing protective clothing; but many farmers (44% in Buuri, 57% in Imenti South and 60% in Imenti North) did not wear the requisite protective clothing when applying pesticides. The agricultural extension workers (52%) and health care workers (59%) were trained in their work and had at least a certificate level qualification from a tertiary institution. Most agricultural extension workers (95%) and health care workers (71%) had experience of dealing with pesticides and knew how to administer 1st AID against pesticide poisoning, respectively. Farmers (26%) reported experiencing health effects after using pesticides, with most effects being felt after using dimethoate, malathion, carbofuran, carbaryl and heptachlor. There was a statistically significant (p < 0.05) association between various factors (availability of protective clothing, hiring of labourers, farm land size, expenditure on pesticides and expenditure on treatment, respectively) on intoxication from pesticide exposure.
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spelling doaj.art-20b87a6864634cddaa47e71d9fb5cc6c2022-12-21T20:32:29ZengElsevierHeliyon2405-84402021-02-0172e06118Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, KenyaGabriel M. Marete0Joseph O. Lalah1Jane Mputhia2Vitalis W. Wekesa3Department of Geoscience and the Environment, School of Physics and Earth Sciences, Technical University of Kenya, P.O. Box 52428-00200, Nairobi, KenyaDepartment of Geochemistry and Environmental Chemistry, School of Chemistry and Material Science, Technical University of Kenya, P.O. Box 52428-00200, Nairobi, Kenya; Corresponding author.Department of Geoscience and the Environment, School of Physics and Earth Sciences, Technical University of Kenya, P.O. Box 52428-00200, Nairobi, KenyaDepartment of Technical and Applied Biology, School of Biological and Life Sciences, Technical University of Kenya, P.O. Box 52428-00200, Nairobi, KenyaThis study assessed pesticide usage practices, knowledge and health effects of pesticides through occupational exposure in randomly selected horticultural farmers in Imenti North, Imenti South and Buuri Sub-counties in Meru, Kenya, where horticultural crops are grown intensively for export and local consumption. The study was done through use of questionnaire distributed to farmers' households, agricultural extension workers and health care workers. The survey established that various classes of pesticides were used in horticultural crop farming and animal production in all the three sub-counties, with the most frequently used (>60 respondents out of 173) being parathion, diazinon, dimethoate, permethrin, pirimiphos methyl, endrin, deltamethrin, dieldrin, propoxur and endosulfan. It was found that there is a gap between the existing government regulations on pesticide use and safe handling and the implementation of these regulations by dealers, farmers and farm workers in the three sub-counties as some of the pesticides that were being used such as parathion, endrin, dieldrin and carbofuran had been banned by the government. Although most farmers had general information on pesticide usage through various social groups and contact with agricultural extension workers, only 32–43 % of the farmers had received training on pesticide handling and use. Most farmers (65%) had knowledge of safe pesticide handling procedures including reading labels on packages and wearing protective clothing; but many farmers (44% in Buuri, 57% in Imenti South and 60% in Imenti North) did not wear the requisite protective clothing when applying pesticides. The agricultural extension workers (52%) and health care workers (59%) were trained in their work and had at least a certificate level qualification from a tertiary institution. Most agricultural extension workers (95%) and health care workers (71%) had experience of dealing with pesticides and knew how to administer 1st AID against pesticide poisoning, respectively. Farmers (26%) reported experiencing health effects after using pesticides, with most effects being felt after using dimethoate, malathion, carbofuran, carbaryl and heptachlor. There was a statistically significant (p < 0.05) association between various factors (availability of protective clothing, hiring of labourers, farm land size, expenditure on pesticides and expenditure on treatment, respectively) on intoxication from pesticide exposure.http://www.sciencedirect.com/science/article/pii/S2405844021002231Pesticide usageHorticultural farmersAgricultural extension workersHealth care workersHealth impactsMeru county
spellingShingle Gabriel M. Marete
Joseph O. Lalah
Jane Mputhia
Vitalis W. Wekesa
Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
Heliyon
Pesticide usage
Horticultural farmers
Agricultural extension workers
Health care workers
Health impacts
Meru county
title Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
title_full Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
title_fullStr Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
title_full_unstemmed Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
title_short Pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in Meru County, Kenya
title_sort pesticide usage practices as sources of occupational exposure and health impacts on horticultural farmers in meru county kenya
topic Pesticide usage
Horticultural farmers
Agricultural extension workers
Health care workers
Health impacts
Meru county
url http://www.sciencedirect.com/science/article/pii/S2405844021002231
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