PRELIMINARY RESEARCH CONCERNING THE EFFECS OF INSECTICIDE TREATMENTS ON SOME SOIL PARAMETERS IN TRUCK FARMING PUBLISHED

Viorica Coteanu, Ioan Pălăgeşiu, Isidora Radulov
Pesticides constitute the group of chemical products with most synthesis chemical substances. They are meant to prevent or to control the development of any plant or animal organism considered unwanted in any type of biocoenosis. Treating plants and soil with insecticides is the main source of contamination of the environment with these substances and soil is the main reservoir of residues due to the holding capacity of its organic and mineral components and to the ability or turning these compounds into other derivatives as a result of metabolic processes induced by both the micro- and macro-fauna in the soil. In this context, in this paper the authors aimed at presenting results concerning the effect of insecticide application on some soil parameters. While research in the field worldwide are being carried out, at national level they are rather scarce or they simply lack. Our research was carried out in 2010 at the Didactic Station of the Banat University of Agricultural Science and Veterinary Medicine in Timişoara, using as host-plant onion; the trial was a mono-factorial and on randomised blocks. In order to establish the physical and chemical composition of the soil before and after treatment we analysed soil samples from the surface horizon. Results show the degree of impact of insecticides on some soil parameters. These results are within admitted limits from the point of view of environmental pollution. Knowing the effects of insecticide application is essential for soil, plant, anima, and human protection. Research is original and they contribute to the study of environmental pollution and protection.
insecticides; soil; soil pollution; truck farming
Presentation: oral

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