Effects of Light Sources and Fertilizers on Biomass Production of Nine Lettuce Cultivars in a Hydroponic Nutrient Film Technique System - Dario Rueda Kunz Enhancing Lettuce Yield: Strategies for Fertility Management in Soilless Growth Systems. - Bryce Waugh Effect of ZnO and SiO2 Nanoparticles on Growth and Physiology of Hydroponic Lettuce Under Salinity Stress - Chungkeun Lee An Intermediate Calcium-mobilizing Biostimulant Concentration Controls Tipburn of Two Greenhouse Hydroponic Lettuce Cultivars Without Affecting Growth -Shem Msabila Optimizing Sampling Methods for Sap Extraction to Enhance Plant Nutrient Analysis in CEA - Husnain Rauf Effects of Potassium and Iron Supplements and Late Nitrogen Restriction on Aquaponic Taro (Colocasia esculenta) Corm Production - Andrew Bohringer Advantages of a novel in situ pH measurement for soilless media - Hikari Skabelund