title: Effect of herbicides on growth and nitrogen-fixation of alga, Tolypothrix tenuis.
mesh_terms: D002734:Chlorophyll / Q000032:analysis; D000458:Cyanobacteria / Q000032:analysis / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D005308:Fertilizers; D006540:Herbicides / Q000494:pharmacology*; D009584:Nitrogen / Q000032:analysis / Q000378:metabolism; D012275:Oryza; D013053:Spectrophotometry
chemical_list: D005308:Fertilizers; D006540:Herbicides; D002734:Chlorophyll; D009584:Nitrogen