Urease activity in rice soils as influenced by moisture regimes and rice rhizosphere

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dc.contributor.authorSaraswathi, P
dc.contributor.authorBalachandran, P V
dc.contributor.authorKAU
dc.date.accessioned2019-01-10T05:16:21Z
dc.date.available2019-01-10T05:16:21Z
dc.date.issued1993
dc.description.abstractUrease activity in six rice soils of Kerala namely laterite (Oxisol), karappadam (Inceptisol), kari (Inceptisol), kole (Inceptisol) and black soil (Vertisol) were studied at 60% WHC and under submergence. The pattern of urea hydrolysis was same at 60% WHC and under submergence. While the black soil exhibited the highest urease activity, kari soil registered the lowest activity. When soils were incubated for periods longer than 5 h (at both the moisture regimes) the urea hydrolysis was complete within two days in laterite, karappadam and kayal soils. For black and kole soils it took five days and for kari soil 30 days for the completion of urea hydrolysis. The rice rhizosphere was found to have a positive influence on urease activity and the maximum urease activity in the rhizosphere was noticed at 60lh day after planting.en_US
dc.identifier.citationJournal of Tropical Agriculture, 31(1), 64-70.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810089577
dc.keywordsUrease, major types of rice soils of Keralaen_US
dc.language.isoenen_US
dc.pages7en_US
dc.publisherKerala Agricultural Universityen_US
dc.subjectnullen_US
dc.titleUrease activity in rice soils as influenced by moisture regimes and rice rhizosphereen_US
dc.typeArticleen_US
dc.volume31(1)en_US
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