Fernando, T H P SWijerathna, C2013-06-112013-06-112010Bulletin of the Rubber Research Institute of the Sri Lanka 51 p.23-27https://dl-rri.nsf.gov.lk/handle/1/1765en-USKnapsack sprayersnursery diseaseApplication technology: Knapsack sprayers in the management of rubber nursery diseaseArticle