Hettigedara, H.M.P.T.K.Renuka, K.A.Malaviarachchi, M.A.P.W.K.De silva, G.H.K.2021-10-102021-10-102018Annals of the Sri Lanka Department of Agriculture, 20:p.45-49https://dl-doa.nsf.gov.lk/handle/1/3562Calibration of spad meter and rice leaf colour chart for chilli (Capsicum annuum L.)Article