Visser, T.2015-06-192015-06-191961Tea Quarterly32(2)pp.69-87https://dl-tri.nsf.gov.lk/handle/1/997AgricultureShade-tree effectInterplantingTea nutritionSoil moistureWeedsBush cropsInterplanting in tea. 1.-effects of shade trees, weeds, an d bush cropsArticle