Open Access Research Paper Views (478) Download (10) The impact of nano Fe-chelate, Fe-EDDHA Non-nano and FeSO4 on the growth and physiological index in lettuce (Lactuca sativa L.) varieties grown in NFT Musa Jalali, Mehri Zargani J. Bio. Env. Sci.4( 2), 434-442, February 2014. Key: Chlorophyll bChlorophyll-aFeLettuceNANO Fe-chelate Details