Tolhurst, J.A.H.Fernando, L.H.Tillekeratne, L.M.de W.2014-11-182014-11-181966Tea Quarterly37(2)pp.73-74https://dl.nsf.gov.lk/handle/1/12700AgricultureZinc foliar applicationRecomendationManufacturing propertiesTeaClimatic conditionZinc foliar sprays: recommendations 1966A