Effects of Nutrient Solution Levels on the Growth and Mineral Element Absorption of Hydroponics Lettuce
ZHANG Wei-juan, GUO Wen-zhong, WANG Xiao-jing, LI Lin-zhi, LI Hai-ping, CHEN Xiao-li
Chinese Journal of Agrometeorology . 2018, (09): 594 -600 .  DOI: 10.3969/j.issn.1000-6362.2018.09.005