Comparative performance of static and re-circulating close hydroponic system for lettuce production
Barbosa GL, Daiane F, Gadelha A, Kublik N, Proctor A, Reichelm L, Halden RU. 2015. Comparison of Land, Water , and Energy Requirements of Lettuce Grown Using Hydroponic vs Conventional Agricultural Methods. International Journal of Environmental Research and Public Health 12, 6879-6891.
Christie EC. 2014. Water and Nutrient Reuse within Closed Hydroponic Systems. Electronic Theses & Dissertations. Paper 1096.
Kaiser C, Ernst M. 2016. Hydroponic Lettuce. CCD- CP-63. Lexington, KY: Center for Crop Diversification, University of Kentucky College of Agriculture, Food and Environment.
Kratky BA. 2015. Growing Direct-Seeded Watercress by Two Non-Circulating Hydroponic Methods.
Mohammed SB, Sookoo R. 2017. Nutrient Film Technique for Commercial Production. Agricultural Science Research Journal 6(11), 269-274.
Nelson PV. 2012. Greenhouse operation and management. Prentice-Hall, Upper Saddle River, New Jersey.
Sharma, Acharya, Kumar, Singh, Chaurasia. 2018. Hydroponics as an advanced technique for vegetable production: An overview. Journal of Soil and Water Conservation 17(4), 364-371.
Singh H, Bruce D. 2016. Electrial conductivity and pH guide for hydroponics. Oklahoma Cooperative Extension Fact Sheets, HLA-6722. Oklahoma State University, Division of Agricultural Sciences and Natural Resources p. 5.
Souza RS De, Rezende R, Hachmann TL, Lozano CS, Felipe A, Alves B, Freitas L De. 2017. Lettuce production in a greenhouse under fertigation with nitrogen and potassium silicate. Acta Scientiarum. Agronomy 39(2), 211-216.
Touliatos D, Dodd IC, Mcainsh M. 2016. Vertical farming increases lettuce yield per unit area compared to conventional horizontal hydroponics. Food and Energy Security 5(3), 184-191.
Xu X, MK Loke, P Leung. 2015. Is There a Price Premium for Local Food? The Case of the Fresh Lettuce Market in Hawaii. Agricultural and Resource Economics Review 44, 110-123.