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Effect of gypsum on reclamation of boron soils in Konya-Çumra Dedemoğlu province
(2006) Yılmaz, A. M.; Şahin, M.; Acar, B.; Erik, H.
The effects of gypsum on reclamation of boron soils were investigated in Konya-Çumra Dedemo?lu province under field conditions during 2003 summer season. The gypsum with 85% purity obtained from Mediterranean Fertilizer Industry was used in research with three replications. The gypsum doses were applied as 0 t ha-1 (control), 10 and 30 t ha-1. Leaching water was taken from the artesian well that close to research plots. The irrigation water was applied as 30 cm increment which total of 180 cm. Initial and after every leaching, soil samples were taken from the 0-30, 30-60, 60-90 and 90-120 cm depths for analyzing. The results showed that after the leaching process, to be removed 30, 60 and 90% of B in soil profile, the applications of leaching water were determined as 0.37, 1.20 and 3.89 times of soil depths in control plots, respectively. In 10 t ha-1 gypsum applied plots, these were 0.41, 1.31 and 4.18 times of soil depths for removing 30, 60 and 90% of B, respectively. In examined the 30 t ha-1 gypsum applied plots, these were 0.39, 1.38 and 4.78 times of soil depths for removing 30, 60 and 90% of B, respectively. Equations and graphs that show the leaching water requirement of B in 1 m soil depth were obtained for each treatment. © 2006 Asian Network for Scientific Information.