2026-06-27http://hdl.handle.net/123456789/25610greenhouse culturegreenhouseshydrologyirrigation systemsland usenitrate nitrogenphosphoruspolluted watersoil typesspatial distributionsurface waterwater pollutionwater qualityIrrigation system and land use effect on surface water quality in river, at lake Dianchi, Yunnan, ChinaJournal Article