Wickremasinghe, K.N.2015-08-052015-08-051986Tea Bulletin, 6(1):p.20-37https://dl.nsf.gov.lk/handle/1/19740AgricultureNitrogen fertilizersSulphate of ammoniaCamellia sinensisHydrolysisSoil acidityNitrogen utilizationThe current thinking on the substitution of urea for sulphate of ammonia in tea plantationsArticle