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Comparative Metabolism of Organophosphorus Pesticides in Water-Sediment Systems
biodegradation of organophosphorus pesticides water-sediment system ester hydrolysis oxidative desulfuration
2009/3/7
The aerobic aquatic soil metabolism of three 14C-labeled organophosphorus pesticides was examined in French lake water-sediment systems to estimate factors controlling their behavior in the natural ...
Monitoring of 15 Pesticides in Rainwater in Utsunomiya, Eastern Japan, 1999-20001
pesticide residues in rainwater formulation shipment amount Henry’s law constant spatial variation in deposited amount
2009/3/7
Residues of 15 pesticides in rainwater were investigated monthly from July 1999 to July 2000 at five sampling sites in Utsunomiya, eastern Japan. Additionally, the residues for each precipitation we...
Aerobic Aquatic Soil Metabolism of Pesticides in Water- and Sediment-Spiked Systems
biodegradation water-sediment system fenitrothion diethofencarb TOXSWA simulation
2009/3/7
The metabolism of fenitrothion and diethofencarb in aerobic aquatic soil was examined following either water or sediment application. The more hydrophobic fenitrothion rapidly distributed from water...
Electrochemical Oxidation of Three Obsolete Organophosphorous Pesticides Stocks
electrochemical oxidation phosalone azinphos-methyl methidathion obsolete pesticides
2009/3/6
Organophosphorous pesticides are widely used for crop production, but their disposal causes serious environmental problems. Three commercial organophosphorous pesticides (phosalone, azinphos-methyl ...
Effect of Long-Term Successive Applications of Organic Fertilizers on Dissipation of Several Pesticides in Two Soils
long-term successive applications of organic fertilizers andosol gray lowland soil dissipation rates of pesticides
2009/3/6
The dissipation rates of dimethoate, fenobucarb, flutolanil, simazine, prometryn and alachlor were compared among an andosol and a gray lowland soil subjected to different fertilizing practices over...
Oxidative Activation and Degradation of Organophosphorus Pesticides Mediated by Iron Porphyrins
oxidation mediated by iron porphyrin organophosphorus pesticides MNDO-PM3 calculations
2009/3/5
Biomimetic oxidation mediated by three types of iron porphyrins was examined for five organophosphrus pesticides, fenitrothion (I), cyanophos (II), tolclofos-methyl (III), butamifos (IV) and fenthio...
Concentration and loading of several pesticides in water, suspended solids and sediment during ordinary water discharge in Sugao marsh, Ibaraki Prefecture, Japan
pesticide loading suspended solids particle size sediment ordinary water discharge
2009/3/5
Concentrations of esprocarb, thiobencarb, dimethametryn, pretilachlor and simetryn in water, suspended solids and sediment were studied during ordinary water discharge over the course of a year in S...
The enantiomers of chiral pesticides are often metabolized at different rates. In agriculture, the preferred chiral form of a pesticide is more effective at lower application rates or more specific ...
In Vitro Studies on Some Natural Beverages as Botanical Pesticides against Erwinia amylovora and Curtobacterium flaccumfaciensis subsp. poinsettiae
biological control botanical pesticide environmental pollution health risk organic farming
2009/1/13
Several tannin-rich beverages were tested for their antibacterial activity against 2 important phytopathogenic bacteria, Erwinia amylovora and Curtobacterium flacumfaciensis subsp. poinsettiae. Black ...
STUDIES ON RESIDUES OF PESTICIDES USED IN RAPE PLANTS PROTECTION IN SURFACE WATERS OF INTENSIVELY EXPLOITED ARABLE LANDS IN WIELKOPOLSKA PROVINCE OF POLAND
pesticides insecticides water quality rape surface water
2010/12/22
Samples of surface waters of intensively exploited arable lands in Wielkopolska Province of Poland were collected in 2006 and 2007. The studies included 13 insecticides used in rape plants protection ...
Bifunctional surfactants their potential application as pesticides
bifunctional surfactants planar lipid membrane pesticides
2008/11/21
Recently, a new class of surfactants that combines two contradictory functions has appeared. They can be used as effective antioxidants protecting model and biological objects against peroxidation and...
The PAN Pesticide Database brings together a diverse array of information on pesticides from many different sources, providing human toxicity (chronic and acute), ecotoxicity and regulatory informatio...
Economics of Pesticides Use among Maize Farmers in Edo State, Nigeria
Maize farmers pesticides efficiency elasticity
2010/11/9
This paper estimated the degree of price responsiveness as well as the efficiency of pesticides use on maize farms in Edo state of Nigeria. The results indicated that the demand for pesticides was neg...
03-14-2007，TALLAHASSEE - Florida Agriculture and Consumer Services Commissioner Charles H. Bronson and Department of Environmental Protection Secretary Michael W. Sole announced today that Operation C...
Evaluation of Some Selected Pesticides Against the Two Pod Borers Helicoverpa Armigera and Etiella Zinckenella Population Infesting Cowpea in the Newly Reclaimed Regions
Safe insecticides Cowpea bod borer Helicoverpa armigera Etiella zinckenella
2010/11/9
The two pod borers Helicoverpa armigera Hubner and Etiella zinckenella Treitschke are the most
destructive insect pests which infest several crops of leguminosae in Egypt. Field experiments wer condu...