A comparative study of the efficiency of utilization of urea and ammonium sulphate by mature tea plants using N-15 labelled fertilizers

Wickramasinghe, K.N.Nalliah, P.Paramasivam, S.2014-11-182014-11-181984Tea Quarterly53(1-2)pp.23-28https://dl.nsf.gov.lk/handle/1/13358AgricultureNitrogen fertilizersNutrient uptakePlant growthShoot productionA comparative study of the efficiency of utilization of urea and ammonium sulphate by mature tea plants using N-15 labelled fertilizersA