Effect of micronutrients on the biochemical parameters of mulberry (Morus alba L.) leaf

amino acids application foliaire bore boro boron carbohidratos carbohydrates cinc cobre copper crude fibre cuivre fer feuille fibra bruta fibre brute foliar application glucide gusano de seda hierro hojas iron leaves manganese manganeso mejoramiento nutricional molibdeno molybdenum morus alba nutrient improvement nutritive value oligoelementos sericicultura sericulture silkworms trace elements valeur nutritive valor nutritivo zinc