The relationships among the some basic soil properties and selenium content of different region soils under garlic cultivation in Turkey

In this study, it is intended to determine the available selenium concentration of soil samples and the basic relationships among the basic soil properties of the areas in terms of garlic farming in Turkey. Total 224 soil samples were collected from Bal？kesir, K？rklareli, Kahramanmara？, Hatay, Antalya, Karaman, Mu？la and Kastamonu provinces where garlic production is at the first place in our country. The soils sample texture, pH, EC, lime, organic matter and available selenium analyses were determined. As a result of garlic cultivated soils analyses, the plant available selenium concentration in soil was varied between 1,31 and 27,83 μg kg-1 with an average of 13,45 μg kg-1. It was found that the highest available selenium concentrations were in Kastamonu (27,83 μg kg-1) and the lowest is in Hatay (1,31 μg kg-1) regions. The textural class was heavy clay, 53,57 % of total samples was slightly alkaline, there was not any EC problem, 41,07 % of total soil samples was high and very high lime and 47,32 % of soil samples were low and very low in organic matter. Based on the correlation analysis; positive relations (r= 0,330***) between available selenium concentration-soil reaction and negative relations (respectively r= -0,260***, r= -0,259***) between lime-organic matter were determined. It was determined that Se availability increases with the rising pH value, whereas Se availability decreases with the increasing of lime and organic matter