نتایج جستجو برای: pesticide selectivity

تعداد نتایج: 58874  

2014
L. Hossard A. Philibert M. Bertrand C. Colnenne-David P. Debaeke N. Munier-Jolain M. H. Jeuffroy G. Richard D. Makowski

Pesticides pose serious threats to both human health and the environment. In Europe, farmers are encouraged to reduce their use, and in France a recent environmental policy fixed a target of halving the pesticide use by 2018. Organic and integrated cropping systems have been proposed as possible solutions for reducing pesticide use, but the effect of reducing pesticide use on crop yield remains...

Journal: :Environmental Health Perspectives 1995
Jeff Wilson

Decline in Pesticide Use by Canadian Farmers Farmers in Ontario are spraying smaller amounts of pesticides on their crops than in the past. From 1983 to 1993, pesticide use dropped by a dramatic 28.3%, according to the Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA). By comparison, pesticide use in the United States fell 15% between 1982 and 1992. Under the Food Systems 2002 p...

Journal: :International journal of occupational medicine and environmental health 2014
Cleber Cremonese Carmen Freire Ariana Machado De Camargo Jaime Silva De Lima Sergio Koifman Armando Meyer

OBJECTIVES To investigate the association between per capita pesticide consumption and infant mortality rates from CNS and CVS congenital malformations in microregions in the South and Southeast Region of Brazil. MATERIAL AND METHODS An ecological study was conducted using data on pesticide expenditure in 1985 and 1996, and deaths caused by CNS and CVS malformations in infants under 1 year ol...

2014
OO Desalu OA Busari AO Adeoti

BACKGROUND The improper use of pesticide is associated with respiratory morbidity in many developing countries. AIM The purpose of this study was to determine the prevalence of respiratory symptoms and its association with the use of agricultural pesticide among crop farmers in three rural communities in Ekiti State, South Western Nigeria. SUBJECTS AND METHODS This was a cross-sectional stu...

2017
Mustapha F. A. Jallow Dawood G. Awadh Mohammed S. Albaho Vimala Y. Devi Nisar Ahmad

The presence of pesticide residues in primary and derived agricultural products raises serious health concerns for consumers. The aim of this study was to assess the level of pesticide residues in commonly consumed fruits and vegetables in Kuwait. A total of 150 samples of different fresh vegetables and fruits were analyzed for the presence of 34 pesticides using the quick easy cheap effective ...

Journal: :Asian Pacific journal of cancer prevention : APJCP 2014
Hai-Yan Yang Jing Liu Si-Yu Yang Hai-Yu Wang Ya-Dong Wang

BACKGROUND Sister chromatid exchange (SCE) in human peripheral blood lymphocytes is one of the most extensively studied biomarkers employed to evaluate genetic damage subsequent to pesticide exposure. OBJECTIVE To estimate the pooled levels of SCE in human peripheral blood lymphocytes among population exposed to pesticide. MATERIALS AND METHODS Meta-analysis on the association between SCE f...

Journal: :مهندسی بیوسیستم ایران 0
مجتبی خالدی نیا دانشجوی کارشناسی ارشد مکانیک ماشین‏های کشاورزی، دانشگاه ایلام بهرام قمری عضو هیئت علمی و استادیار گروه مکانیک ماشین‏های کشاورزی، دانشگاه ایلام محمود روشنی عضو هیئت علمی و استادیار گروه شیمی، دانشگاه ایلام

a constant problem in the production, maintenance, and use of agricultural pesticides, is their physical-chemical corrosive properties in contact with machines and equipment. the present study attempted to increase the corrosion resistance of steel parts to agricultural pesticide with the application of appropriate thin tio2 nanoparticle coatings. this coating was applied on mild steel coupons ...

2016
Elisha Kwaku Denkyirah Elvis Dartey Okoffo Derick Taylor Adu Ahmed Abdul Aziz Amoako Ofori Elijah Kofi Denkyirah

Pesticides are a significant component of the modern agricultural technology that has been widely adopted across the globe to control pests, diseases, weeds and other plant pathogens, in an effort to reduce or eliminate yield losses and maintain high product quality. Although pesticides are said to be toxic and exposes farmers to risk due to the hazardous effects of these chemicals, pesticide u...

Effects of Dimethoate Pesticide and Bacilar Bio-fertilizer on Some Blood Biochemical Parameters of Common Carp (Cyprinus carpio)   Abstract   Dimethoate pesticide and bacilar bio-fertilizer are two common inputs widely used in Iranian agriculture which washed by run-off and transmitted to aquatic ecosystems where they can cause biological and physiological problems for aquatic organisms. The...

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