Abstract
Gamma ray transmission methods have been used accurately for the study of the properties of soil for agricultural purposes. In this study, density and volumetric water content of soil are determined by using gamma ray transmission method. To this end, the soil sample was collected from Erzurum, Turkey. The attenuation of strongly collimated monoenergetic gamma beam through the soil sample was measured using a 3×3×1mm3 cadmium telluride (CdTe) detector. The radioactive sources used in the experiment were 241Am, 133Ba and 137Cs. The mass attenuation coefficients of dry soil sample were calculated from the transmission measurements. It was observed that gamma ray transmission method in measurement of the soil parameters with the portable CdTe detector has advantages such as practical, inexpensive, non-destructive and fast analysis.
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