Some nutritional aspects of apple orchards in county Szabolcs-Szatmar [minerals, nitrogen fertilizers, phosphate fertilizers potassium, Hungary]

agricultural chemicals alkali metals apples arbre beverage crops crops cultivos eastern europe economic plants elements energia energie energy energy sources engrais europa europa oriental europe europe orientale facteur de production fertilizantes fosfatados fertilizantes nitrogenados fertilizers fosfatos fruit crops frutales frutas de clima templado hongrie huerto frutal hungary hungria inorganic compounds land manzana metal metales metales alcalinos metals minerales minerals natural resources nitrogen fertilizers nutrientes nutrients orchards ornamental plants ornamental trees phosphate phosphate fertilizers phosphates plantas plantas ornamentales plantas para bebidas plante plante de culture plante ornementale plants pomme potasio potassium production factors produit agrochimique recursos recursos naturales resources ressource ressource naturelle sales salts sel substance nutritive temperate fruits terre tierras trees verger