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References: DIY Systems and School Projects

  1. Mason jar - Wikipedia - History and specifications of the sealed glass jar used in Kratky passive hydroponic systems; the standard mason jar's thread size and volume make it ideal for single-plant nutrient solution reservoirs.

  2. Microgreens - Wikipedia - Covers the cultivation of young seedlings harvested at the cotyledon stage; microgreens are among the fastest and most cost-effective crops for beginner hydroponic projects in schools.

  3. Science fair - Wikipedia - Overview of science fair project structure including hypothesis formation, experimental design, data collection, and presentation requirements — directly applicable to designing hydroponic experiments for school competitions.

  4. Hydroponics: A Practical Guide for the Soilless Grower - J. Benton Jones Jr. - CRC Press - Includes beginner-friendly system builds and crop selection guidance, with detailed instructions for converting household containers into functional Kratky and DWC setups.

  5. Hydroponic Food Production (7th ed.) - Howard M. Resh - CRC Press - Chapter on small-scale and educational systems provides verified build specifications for PVC pipe NFT and storage-tote DWC systems with materials lists and step-by-step assembly.

  6. USDA: School Garden Resources - USDA - Federal resources supporting school food gardens, including safety guidelines, curriculum integration strategies, and grant information for K-12 hydroponic and garden programs.

  7. EPA: Safe Use of Fertilizers in Schools - EPA - Guidance on the safe handling and storage of agricultural chemicals (including hydroponic nutrients) in school settings, covering labeling requirements, ventilation, and student safety protocols.

  8. Khan Academy: Experimental Design - Khan Academy - Covers hypothesis testing, control variables, data collection planning, and statistical thinking for designing valid science fair experiments with hydroponic systems.

  9. MIT OCW: Design and Manufacturing - MIT OpenCourseWare - Introductory engineering design course with hands-on project methodology applicable to planning, building, and iterating on DIY hydroponic systems under budget constraints.

  10. NASA: Growing Food in Schools - NASA - NASA educational resources on hydroponics for K-12 classrooms, including simple Kratky and wick system instructions aligned to STEM curriculum standards.