Lamb, J.2014-11-182014-11-181955Tea Quarterly26(1-2)pp.7-9https://dl.nsf.gov.lk/handle/1/13199AgricultureTea productionMineral resourcesAustraliaCanadaSri LankaColombiaIndiaNew ZealandPakistanSouth AfricaSouthern RodashiaUnited KingdomA