Bhavanandan, V.P.Fernando, V.2014-11-182014-11-181970Tea Quarterly41(2,3-4)pp.94-106https://dl.nsf.gov.lk/handle/1/12593AgricultureNitrogen fertilizersUrease activitySoil fumigationFungicidesHydrolysisSoil ScienceStudies on the use of urea as a fertilizer for tea in Ceylon 2. urease activity in soilsA