Kulasooriya, S.A.Hirimburegama, W.K.Abeysekera, S.W.2021-09-132021-09-131984Practical Application of Azolla for Rice Production:p.188-201https://dl.nsf.gov.lk/handle/1/25280AgricultureAzolla pinnataBiofertilizersNitrogen fixationBiomassAcetylene reducing activity (ARA)InoculationAzolla as a biofertilizer for rice in Sri LankaBook Chapter