Influence of NPK over-fertilization on macro- and microelement content of six-leaf maize 2. [Zea mays, dry matter content, calcium, magnesium, iron, copper, zinc]

agentes nocivos agricultural chemicals alkaline earth metals calcio calcium cereales cereals cinc cobre composition contaminantes contaminantes industriales copper crops cuivre cultivos cultivos de grano economic plants elements energia energie energy energy sources engrais engrais potassique facteur nuisible feed crops feed grasses fer fertilizantes fosfatados fertilizantes nitrogenados fertilizers fosfatos glumiflorae grain crops gramineae gramineas graminee grasses heavy metals hierro industrial crops industrial pollutants injurious factors inorganic compounds iron magnesio magnesium metal metales metales alcalinoterreos metales pesados metals monocotyledons natural resources nitrogen fertilizers nutrientes nutrients oil crops phosphate phosphate fertilizers phosphates plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plante plante de culture plante industrielle plants polluant polluant industriel pollutants potash fertilizers produit agrochimique recursos recursos naturales resources ressource ressource naturelle sales salts sel starch crops substance nutritive sugar crops transition elements zea mays zinc