Effect of Enhanced Elemental Sulphur Doses on pH Value of a Calcareous Soil

作者：Ayşen Akay, Cevdet Şeker, Hamza Negiş · 发表于：Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi · 年份：2019 · DOI：10.29133/yyutbd.467632 · 被引用次数：13 · 研究领域：Soil Carbon and Nitrogen Dynamics、Agricultural Science and Fertilization、Agronomic Practices and Intercropping Systems

Due to the lime content, the high pH value of the soils usually can limit the availability of some plant nutrients including phosphorus. Elemental sulfur (S) applications are one of the leading methods used for lowering soil pH value. Although S application is an economic resource used for reducing pH value in the rhizosphere, recommended S doses are often ineffective in lowering soil pH value. For this reason, this study was carried out to look into the effects of both the recommended sulphur doses and the intense doses of sulphur additions on the soil pH value. The effect of different S application doses in weight percentages as 0-0.01-0.02-0.04-0.08-0.16-0.32 and0.64 % of elemental S, on soil pH was determined in the pot experiment. The soil sample was taken at 0-30 cm Sarıcalar Experimental area of Agricultural Faculty of Selcuk University in Konya. The soil sample used in the study has light alkaline pH value (7.97), calcareous (12.25%), low salty less salty, organic matter content and available phosphorus concentration. At first, S were added soil samples at the pot experiment, then after, water content was brought to field capacity using pure water and incubated at 28°C for the period of 10 weeks. Weekly, pH measurements were made throughout the incubation period and regular pure water additions were made to ensure that the soil steadily remains at the field capacity. All applications led to a decrease in soil pH values, while pH is inclined to increase again during th...