Wood ash as a Means of Reducing 137Cs Transfer From Soil to Plants Ofrowan (Sorbus Aucuparia L.) and Buckthorn (Rhamnus Frangula L.) in Forest Ecosystems of Ukrainian Polissya
DOI:
https://doi.org/10.29038/2617-4723-2015-313-19-25Keywords:
Sorbus aucuparia L., Rhamnus frangula L., 137Cs, growing season, wood ash, potash fertilizerAbstract
The scientific experiment was laid in contaminated by radionuclides forest (about 70 km from Chernobyl) with applying potassium-containing fertilizers (wood ash, KCl and mix of them) to investigate their ability to influence on 137Cs uptake by plants typical for the forest ecosystems of Ukrainian Polissya. The effect of wood ash on 137Cs transfer from soil to young shoots and leaves of rowan (Sorbus aucuparia L.) and buckthorn (Rhamnus frangula L.) during the growing season in the radioactively contaminated area (as a result of the accident at the Chernobyl nuclear power plant) is represented. A comparative analysis of the efficiency of wood ash, potasіum fertilizer, and combinations thereof, as a means to reduce radiocaesium soil-to-plants transfer during the first and second year after the application was made. The differences in the speed and quality of response of studied trees on applied fertilizers, which are obviously related to the morphological features of the plants, were analyzed. The features of 137Cs uptake by mentioned
above tree species during the growing season on the treatment without any applied fertilizers («Control») are shown.
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