Factors affecting productivity on tea estates in Sri Lanka -1- Infilling vacancies in tea fields

De Silva, R.L.Manipura, W.B,2014-11-182014-11-181975Tea Quarterly45(1-2)pp.21-23https://dl.nsf.gov.lk/handle/1/12850AgricultureProductivity factorsTea estateArea selectionPlant infillingField techniqueFactors affecting productivity on tea estates in Sri Lanka -1- Infilling vacancies in tea fieldsA