With the aim of improving the growth of plants of Aloe barbadensis and A. arborescens and improve the content of sugars and minerals, several experiments were conducted replacing chabazitic-zeolites with normal inorganic substrates and adding the effective microorganisms (EM) to assess whether they affected plant development. The experiment on both Aloe species involved three treatments: … Continua a leggere Effect of chabazitic-zeolites and effective microorganisms on growth and chemical composition of Aloe barbadensis Miller and Aloe arborescens Miller