Coppper: soil, water, plant relationships.
D000383:Agriculture; D000821:Animal Feed; D000818:Animals; D003300:Copper / Q000032:analysis* / Q000378:metabolism; D004787:Environmental Pollution / Q000032:analysis*; D063245:Plant Development; D010944:Plants / Q000032:analysis; D011200:Poultry; D012987:Soil / Q000032:analysis; D013552:Swine; D014877:Water Pollution, Chemical / Q000032:analysis*
D012987:Soil; D003300:Copper