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  1. Kerala Agricultural University Digital Library
  2. 2. Institutional Publications
  3. Reprints
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/3437
Title: Influence of added magnesium sources on soil characteristics under submerged condition
Authors: Susan Varughese
Jose, A I
Keywords: Acid rice soils
Mg sources
magnesite
dolomite
available Mg
Issue Date: 1994
Publisher: Kerala Agricultural University
Citation: Journal of Tropical Agriculture, 32(1), 33-39.
Abstract: An incubation study and a potculture experiment were conducted with two acid rice soils of Kerala, using three Mg sources, viz., magnesite, dolomite and magnesium sulphate tried at two levels of Mg (25 and 50 kg MgO ha ) to study the influence of added Mg on soil characteristics. Available Mg of the karappadam soil was significantly higher than that of the laterite soil. There was no significant difference between the three Mg sources with regard to their contribution to available Mg in the soil. But the Mg availability increased with raised levels of Mg application. A negative relationship was noticed between available K and Mg fractions in the soil. Different sources and levels of applied Mg did not have any significant influence on NILjOAc extractable Ca. Magnesium application raised the pH of the soils. Efficiency of the different Mg sources in correcting the acidic soil reaction was in the order of magnesite dolomite magnesium sulphate.
URI: http://hdl.handle.net/123456789/3437
Appears in Collections:Reprints

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