0000000000114653

AUTHOR

Pirkko Laitinen

showing 3 related works from this author

Microbial toxicity and impacts on soil enzyme activities of pesticides used in potato cultivation

2009

In the conventional cultivation of potatoes, weed control and the control of potato late blight caused by Phytophthora infestans are carried out by the application of herbicides and fungicides. We investigated the impacts of the herbicides metribuzin and linuron and the fungicide fluazinam on soil microbiota in microcosms, in mesocosms and in the field. The toxicity of each pesticide in solution was assessed using the luminescent bacteria test and in soil by a solid phase modification. In microcosm tests, the microbial activity and biomass were estimated by measuring several soil enzyme activities together with soil ATP content. In the mesocosm tests, the separate addition of each pesticide…

EcologyPesticide residueSoil organic matterSoil ScienceBiologyPesticideAgricultural and Biological Sciences (miscellaneous)Mesocosmchemistry.chemical_compoundchemistryMetribuzinAgronomySoil waterMicrocosmFluazinamApplied Soil Ecology
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Comparison of the behaviour of three herbicides in a field experiment under bare soil conditions

2006

Abstract A case-study was design in order to rank three alternative herbicides according to their exposure to surface waters. Herbicide persistence and losses to surface waters were studied in an uncultivated Finnish field (ca. 3500 m2, slope

HydrologyField experimentSoil ScienceSoil sciencePesticidechemistry.chemical_compoundGlufosinatechemistryGlyphosateGlufosinate-ammoniumEnvironmental scienceSurface runoffWater pollutionAgronomy and Crop ScienceSurface waterEarth-Surface ProcessesWater Science and TechnologyAgricultural Water Management
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Fate of the herbicides glyphosate, glufosinate-ammonium, phenmedipham, ethofumesate and metamitron in two Finnish arable soils.

2006

The fate of five herbicides (glyphosate, glufosinate-ammonium, phenmedipham, ethofumesate and metamitron) was studied in two Finnish sugar beet fields for 26 months. Soil types were sandy loam and clay. Two different herbicide-tolerant sugar beet cultivars and three different herbicide application schedules were used. Meteorological data were collected throughout the study and soil properties were thoroughly analysed. An extensive data set of herbicide residue concentrations in soil was collected. Five different soil depths were sampled. The study was carried out using common Finnish agricultural practices and represents typical sugar beet cultivation conditions in Finland. The overall obse…

Pesticide resistanceChromatography GasGlycinechemistry.chemical_compoundSoil PollutantsChromatography High Pressure LiquidFinlandBenzofuransMesylatesbiologyHerbicidesTriazinesAminobutyratesPesticide ResiduesSoil classificationGeneral MedicinePesticidebiology.organism_classificationKineticsBiodegradation EnvironmentalGlufosinatechemistryAgronomyInsect ScienceLoamGlyphosateSoil waterEnvironmental scienceSugar beetCarbamatesAgronomy and Crop SciencePest management science
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