Boron sorption in soil and relation to boron uptake by barley
1988
Murtadha, N.S. | Lazim, I.T. | Raiha, M.J. (Scientific Research Council, Baghdad (Iraq). Agriculture and Water Resources Research Centre, P.O. Box 2416)
Boron sorption by nine soil samples from Nineveh Governorate in Iraq and boron uptake by barley (Hordeum vulgare L.) grown in these soils were investigated. Adsorbed boron was significantly correlated with that in soil solution at equilibrium. Boron sorption conformed to the Langmuir adsorption isotherm over limited concentration range, while the Freundlich adsorption range (0.0 to 80 mg/ml) statistical analysis showed that clay content, acid extractable-B, CaCO3 % and Cation Exchange Capacity (CEC) were significantly correlated with the Freundlich (k) value, while only organic matter and clay contents were significantly correlated with the Langmuir (b) value. Boron uptake by the plant was linearly correlated with the boron content of soil solutions. It was negatively correlated with the Langmuir (k) value and positively correlated with the Freundlich (1/n) value
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