Methods to improve reliability of leaf analysis results for iron deficiency in kiwifruit [Actinidia deliciosa (A. Chev.) C. F. Liang et A. R. Ferguson]

actinidia deliciosa analisi istologica analyse de tissus análisis de tejidos carence en oligo-élement carenze di oligoelementi chlorophylle chlorophylls chlorose chlorosis clorofilas clorofille clorosi clorosis deficiencia de oligoelementos fer ferro feuille foglie hierro hojas ion iones ioni ions iron leaves tissue analysis trace element deficiencies