Micronutrient problems in upland soils in Indonesia International symposium on distribution, characteristics and utilization of problem soils

agentes nocivos agronomic characters alkaline earth metals aluminio aluminium asia asie calcio calcium carence du sol chlorose chlorosis cinc clorosis cobre composition contaminantes contaminantes industriales copper crops cuivre cultivos deficiencia de minerales deficiencia de oligoelementos deficiencias del suelo deficiency diseases disorders economic plants elements environment environnement facteur nuisible fertilidad del suelo functional disorders heavy metals indonesia industrial pollutants injurious factors maladie de carence manganese manganeso medio ambiente metabolic disorders metal metales metales alcalinoterreos metales pesados metals mineral deficiencies molibdeno molybdenum nutritional disorders physiographic soil types pigmentation disorders plantas plante plante de culture plants polluant polluant industriel pollutants site factors soil deficiencies soil fertility soil toxicity soil types suelo de altura symptome symptoms toxicidad del suelo trace element deficiencies transition elements trastornos trastornos funcionales trastornos nutricionales trouble trouble de la pigmentation trouble fonctionnel trouble nutritionnel type de sol upland soils zinc