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BORON DESORPTION IN SOME CALCAREOUS SOILS OF NINEVEH GOVERNORATE / NORTH OF IRAQ | ||
| Mesopotamia Journal of Agriculture | ||
| Article 16, Volume 35, Issue 3, 2007, Pages 52-59 PDF (0 K) | ||
| DOI: 10.33899/magrj.2007.26511 | ||
| Authors | ||
| M. Al-Obaidi; A. kashmola | ||
| Soil Dept., College of Agric. and Forestry, Univ. of Mosul, Iraq | ||
| Abstract | ||
| The investigation was conducted to study the behavior of boron desorption in three calcareous soils, classified as calciorthid. The experiment of boron sorption was conducted by using a different concentrations (0,0.5,1,2,4,6,8,10,20) mg B.L-1 (as boric acid) at 298ْ k while desorption experiment was conducted from adsorbed soils by using (0.01) M CaCl2 at (289 ْ k ) in order to study of boron hystersis. Langmuir model was used to describe capability of boron adsorption / desorption then the desorption index was calculated. Obtained results showed that boron adsorption energy was (0.843-0.069) L. mg -1 while boron desorption energy was ( 10.037-22.683) L. mg-1, while the boron desorption index was ( 1.32 - 3.66) for this reason the boron adsorption was not reversible. | ||
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