Russian Research Institute for Phytopathology
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EXPERIMENTAL RESEARCH AND MODELING OF PACLOBUTRAZOL MIGRATION IN SOIL
04.00.00 Geological-mineralogical sciences
Description
In this study, we have investigated the migration of paclobutrazol in the sod-podzolics soils. The migration of pesticide was restricted with 5 cm in the field study. Paclobutrazol was found in 11 days after application in the lysimeter’s water samples, though the pesticide is moderately mobile. The lysimeter study showed that the risk of ground water contamination would exist if application of paclobutrazol was on the sod-podzolics medium loamy soils. The modeling by PEARL 4.4.4 and MACRO 5.2 simulated the migration of paclobutrazol until 18 cm in the soil. MACRO was able to predict the leaching of pesticide. The simulated paclobutrazol losses by leaching were consistently lower than the observed
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