“…In addition, it supplied good quality of nutrients (Ayeni & Adetunji, 2010;Lasmini, Kusuma, Santoso, & Abadi, 2015). Natural zeolites were alumina-silicates complex structured minerals containing several earth metals such as Na, Ca, K, Mg, and Fe (Nizami et al, 2016;Rabai, Ahmed, & Kasim, 2012), as adsorbents and ion exchangers, remove heavy metals (Latosińska, 2016). As a soil amendment, zeolite had beneficial effects on the growth and yield of crops (Safiul Azam et al, 2013;Theofanoudis, Petropoulos, & Antoniadis, 2015).…”