Pesticide adsorption in relation to soil properties and soil type distribution in regional scale

Kodešová, Radka; Kočárek, Martin; Kodeš, Vít; Drábek, Ondřej; Kozák, Josef; Hejtmánková, Kateřina

doi:10.1016/j.jhazmat.2010.11.040

Cited by 128 publications

(70 citation statements)

References 39 publications

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“…The same soils (11 samples from humic horizons and 2 substrates) were previously used to assess various pesticides adsorption in the representative soils of the Czech Republic (Kodešová et al 2011a). The basic soil properties (Table 4) were determined using standard laboratory techniques (Kodešová et al 2011a).…”

Section: Methodsmentioning

confidence: 99%

Thermal properties of representative soils of the Czech Republic

et al. 2013

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Kodešová R., Vlasáková M., Fér M., Teplá D., Jakšík O., Neuberger P., Adamovský R. (2013) Knowledge of soil thermal properties is essential when assessing heat transport in soils. Thermal regime of soils is associated with many other soil processes (water evaporation and diffusion, plant transpiration, contaminants behaviour etc.). Knowledge of thermal properties is needed when assessing effectivity of energy gathering from soil profiles using horizontal ground heat exchangers, which is a topic of our research project. The study is focused on measuring of thermal properties (thermal conductivity and heat capacity) of representative soils of the Czech Republic. Measurements were performed on soil samples taken from the surface horizons of 13 representative soil types and from 4 soil substrates, and on mulch (bark chips) sample using KD2 PRO device with TR-1 and SH-1 sensors. The measured relationships between the thermal conductivity and volumetric soil-water content were described by the non-linear equations and those between the volumetric heat capacity and volumetric soil-water content were expressed using the linear equations. The highest thermal conductivities were measured in soils on quartz sand substrates. The lowest thermal conductivities were measured in the Stagnic Chernozem Siltic on marlite and the Dystric Cambisol on orthogneiss. The opposite trend was observed for maximal heat capacities, i.e. the highest values were measured in the Stagnic Chernozem Siltic and the lowest in sand and soils on sand and sandy gravel substrate.

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Section: Methodsmentioning

confidence: 99%

Thermal properties of representative soils of the Czech Republic

et al. 2013

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“…No crop was planted at the monitored area. The main properties of the Haplic Chernozem surface and subsurface horizon, which were published in the study of Kodešová et al (2011a), are given in Table 1.…”

Section: Methodsmentioning

confidence: 99%

Influence of temperature on soil water content measured by ECH2O-TE sensors

Kočárek¹,

Kodešová²

2012

International Agrophysics

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Influence of temperature on soil water content measured by ECH2O-TE sensorsThe aim of this study was to investigate the influence of temperature on water content value measured by ECH2O-TE sensors. The influence of temperature on measured soil water content values was clearly demonstrated. Soil water content values measured during the day apparently oscillated with oscillating soil temperatures. Average daily temperature and soil water content were calculated for selected periods. Regression relationships between deviations of soil temperature and soil water content from their daily average values were evaluated. Correlation between the soil water content and temperature deviations increase with the soil depth due to the lower influence of rainfall and evaporation at the soil surface on measured soil water content values in deeper soil layersegsoil water content oscillation was controlled mostly by oscillating temperature. The guideline values of linear regression equations (R2>0.8) were very similar, close to value 0.002 and the intercept values were equal to zero. The equation for recalculation of measured soil water content values at given temperature to reference soil water content for reference soil temperature, was propozed on the basis of this analysis.

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“…According to the final declaration of the III North Sea Conference, a reduction of 50% in trifluralin was predicted from 1985 to 1995 due to these 781 characteristics. Again, due to these negative characteristics research investigating the migration and accumulation of residues of this pesticide and derivatives in soil and water was completed (Bengtson et al, 1990;Feagley and Kim, 1995;Kim and Feagley, 2002;Kodesova et. al., 2011;Querejeta et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Study on Movement and Accumulation of Trifluralin in Medium-Textured Soils

Cebi¹,

Çakır

Tok

2017

Turkish JAF Sci.Tech.

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The aim of the study was to evaluate the movement and accumulation of 2,6 -dinitro -NN -dipropyl -4 -trifluoromethylanil (trifluralin) in soil under irrigated conditions. Despite its hazardous effects this herbicide is widely used in the country. The herbicide researched, is known to be one of the most resistant and least mobile pesticides used in the country. The investigations were carried out, using drainage type lysimeters with application of two different doses of trifluralin and three irrigation water levels. Irrigations were applied during three stages used as indicators for irrigation scheduling of the sunflower crop. Disturbed and undisturbed soil samples were taken from the original field in the beginning and from the tanks after completing of the study. Trifluralin analyses were completed using gas chromatography technique. The results of the study determined that the amounts of the herbicide and its degradation product (2-ethyl-4-nitro-6-trifluoromethyl-1H-benzimidazole) in the ranges of 3.04 -0.1 and 4.128-0.344 ppm, respectively were accumulated in the lysimeter soils during the 5-year research period. The highest amounts of trifluralin and its degradation product were measured in the 0-30 cm soil layer, of the treatment with higher applied herbicide amount and deficit irrigation.

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Pesticide adsorption in relation to soil properties and soil type distribution in regional scale

Cited by 128 publications

References 39 publications

Thermal properties of representative soils of the Czech Republic

Thermal properties of representative soils of the Czech Republic

Influence of temperature on soil water content measured by ECH2O-TE sensors

Study on Movement and Accumulation of Trifluralin in Medium-Textured Soils

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