Soil pH is one of the most important factors affecting the availability of nutrients and is high in the agricultural areas of Central Anatolia where cereal cultivation is intensively done. There are many products on the market to reduce the high soil pH. This study was carried out in 2016 and the effects of some products on soil pH were investigated. 4 different applications (control, liquid sulfur, sulfur with bentonite + manure, leonardite) were carried out simultaneously with sowing in an agricultural field where barley cultivation in Ulubey district of Uşak province. Soil samples were taken from 0-20 cm soil depth in the middle of March, April and May (3 periods) in which plants growing is active and speed and EC, pH and available Fe, Cu, Mn and Zn were determined in collected soils . At harvest time, grain samples also were taken and nutrient contents were determined. According to variance analysis, It was determined that the treatments did not have an effect on the pH of the soil taken in March and April but it was found to be an important effect in the soil taken in the middle of May. The lowest pH values were obtained from sulfur with bentonite + manure, while the other products had higher and closer results each other. Fe and Mn values were found to be higher in the soil where pH was low. The treatments were statistically important on the N, P, K, Mg and Fe content of the grains except Mg and the highest values were obtained from the applications of sulfur with bentonite + manure.