نتایج جستجو برای: organocholorine pesticides
تعداد نتایج: 19560 فیلتر نتایج به سال:
In Lebanon, childhood asthma is an important disease and pesticides are commonly used. The objective of this study was to evaluate whether exposure to pesticides has chronic effects on the respiratory health of Lebanese children. A cross-sectional study was performed on children from a randomly selected sample of Lebanese public schools. Exposure to pesticides was evaluated by a standardised qu...
The lack of irrigation facilities and poor irrigation system and due to the deficiency of agricultural knowledge, farmers introduce new brands of pesticides for their better production. Unaware of all the facts and health hazards, aim of farmers is only better productivity. Many pesticides are used in the homes, industries, hospitals, for killing pests like mosquitoes, mites, cockroaches, ants,...
An obvious need for an updated and comprehensive study prompted this investigation of the complex of environmental costs resulting from the nation’s dependence on pesticides. Included in this assessment of an estimated $10 billion in environmental and societal damages are analyses of: pesticide impacts on public health; livestock and livestock product losses; increased control expenses resultin...
Cyanobacteria are present abundantly in rice fields and are important in helping to maintain rice field fertility through nitrogen fixation. Application of agricultural pesticides for improving crop productivity has become necessary in the present day agricultural practices. This has resulted in either stimulatory or inhibitory effects on the soil microflora including nitrogen-fixing cyanobacte...
Pesticides are a group of chemicals made for the purpose of killing or otherwise deterring “pest” species. The word pesticide may refer to insecticides, herbicides, fungicides, or other pest control formulations. Pesticides are inherently toxic and often associated with adverse health effects in non-target organisms.1 Organochlorine pesticides are a large class of multipurpose chlorinated hydro...
Carla Falugi, Zoltan Rakonczay2, Hagen Thielecke3, Chiara Guida1, and Maria Grazia Aluigi 1Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate (DISC); Dipartimento di Biologia Università di Genova; 2University of Szeged, Faculty of Dentistry, Department of Oral Biology; 3Fraunhofer-Institute for Biomed. Engineering, Department of Bio hybrid Systems, St. Ingbert. 1Italy; 2Hungary; 3Germany
Pesticides are used worldwide within agriculture to protect crops and ensure the quantity and quality of the harvest. However, intensive and inappropriate pesticides application can directly or indirectly affect different parts of the environment, especially water source. Besides the occurrence of pesticides in drinking water, control of pesticide presence in surface and groundwater is also ver...
The pesticides industry needs to look differently from the existing basis that toxic materials are required in order to eliminate pests and weeds from food crops. New generation of pesticides will be motivated by a knowledge of metabolic pathways. The article reviews the effectiveness of several classes of natural pest control agents such as: pheromones, allelopathic chemicals, toxicants from t...
a gas chromatography mass spectrometry with spike calibration curve method was used to quantify three carbamate pesticides residue in cooked white rice and to estimate the reduction percentage of the cooking process duration. the selected pesticides are three carbamate pesticides including carbaryl and pirimicarb that their mrl is issued by “the institute of standards of iran” and propoxur whic...
To obtain a high yield of food grains, many types of pesticides have been developed, which in turn has facilitated the prosperity of the human race and brought relief to farmers. After WWII, organophosphorus and organochlorine pesticides were extensively used worldwide. These early organophosphorus pesticides occasionally caused poisoning, while some organochlorine pesticides persisted in the e...
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