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Density of Sitobion avenae population on the herbicide-treated plants was lower in relation to control plants, during booting and flowering of triticale and higher during milk and dough maturity. Decrease of total and soluble nitrogen content, and increase of protein nitrogen within tissues of winter triticale Bogo cv. after application of Chwastox D 179 SL, was stated at early growth stages. During...
In 2009, studies on disappearance of some insecticides and fungicides on carrot fields were carried out. In total, 60 samples of soil, carrot roots and leaves were analysed. In the first test chloropyrifos (Nurelle D 550 EC) was applied only once. Mature carrot roots from that field contained its residues at the level of 0.029±0.008 mg/kg. In the second test chlorpyrifos was applied two times (Nurelle...
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