Investigations into the potassium content of potatoes in function of yield [Solanum tuberosum, varieties]

agronomic characters alkali metals composition contenido mineral crops cultivos economic plants elements hortalizas (plantas) metal metales metales alcalinos metals mineral content papa plantas plantas feculentas plante plante de culture plante racine plants pomme de terre potatoes productividad productivity profitability rendement rendimiento rentabilidad root crops root vegetables starch crops vegetable crops yields