2015-03-302015-03-30https://dl.nsf.gov.lk/handle/1/18238Agricultural SciencesSoil ScienceCrop ScienceAgronomyTo evaluate the efficiency of uptake and utilization of potash fertilizers by mature tea in Sri Lanka with special reference to soil fertility, crop production, drought resistance and recovery from pruning.Tea Research InstituteCIDA/83/06FR 1164