Comparison of Land, Water, and Energy Requirements of Lettuce Grown Using Hydroponic vs. Conventional Agricultural Methods
Arizona State University (2015) - Quantitative comparison of conventional versus hydroponic produce production using lettuce produced in the southwestern United States.
Urban Agriculture in the United States: Baseline Findings of a Nationwide Survey
ATTRA Sustainable Agriculture (2016) - An assessment of the information gathered in a 2013 national study of urban farms. Includes detailed information on production practices, sales and marketing practices, and the challenges and training needs of U.S. urban farms.
Energy Investments And CO2 Emissions For Fresh Produce Imported Into New York State Compared To The Same Crops Grown Locally
Cornell University, 2008 - A thorough study of the energy required to grow and ship selected types of fresh produce into New York State from open-field production outside the state, contrasted with production in CEA facilities in New York State, and with open field production in the state.