Swarnathilake, D.S.G.G.C.Herath, H.M.I.K.Gimhani, D.R.2022-11-222022-11-222022978-624-6045-01-2https://repo.sltc.ac.lk/handle/1/318en-USGroundwaterNitrate leachingSandy RegosolEvaluation of Nitrogen Leaching Losses from Leafy Red Onion Cultivation Under Growers’ Practice of Fertilizer in KalpitiyaOther