Diurnal variation in nitrogenase activity of common cover crops in rubber plantations of Sri Lanka

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dc.contributor.authorJayasinghe, C.K.en_US
dc.contributor.authorParker, C.A.en_US
dc.contributor.authorKulasooriya, S.A.en_US
dc.date.accessioned2012-06-25T08:21:44Z
dc.date.available2012-06-25T08:21:44Z
dc.date.issued1989en_US
dc.description.abstractDiurnal fluctuations in nitrogenase activity (acetylene reducing activity) have been observed in several nitrogen fixing systems. All experimental plants viz. P. phasides D. ovalifolium and M. invisa demonstrated diuanal rhythm withlight intensity. The lowest acetylene reduction activiteswere detected around midnight and they were activelyu fixing nitrogen by 8.00 am. M. invisa responded to high soil temperature in addition to light intensity. A marked drop in acetylene reduction activity was observed by about 4.00pm when the soil temperature was around 38ºCen_US
dc.identifier.citationJournal of the Rubber Research Institute of Sri Lanka69pp.37-47en_US
dc.identifier.urihttps://dl.nsf.gov.lk/handle/1/8958
dc.publisherRubber Research Institute. Agalawattaen_US
dc.subjectAgricultureen_US
dc.subjectPuerariaen_US
dc.subjectDesmodiumen_US
dc.subjectMimosaen_US
dc.subjectLegumesen_US
dc.subjectNitrogen fixationen_US
dc.subjectAcetylene reductionen_US
dc.subjectSoil temperatureen_US
dc.subjectLight intensityen_US
dc.subjectCover cropsen_US
dc.titleDiurnal variation in nitrogenase activity of common cover crops in rubber plantations of Sri Lankaen_US
dc.typeArticleen_US

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