Irrigation System References:

[1] Fintrac Inc., "Introducing Drip Irrigation Technologies to Smallholder Farmers," [Online]. Available: https://agrilinks.org/blog/introducing-drip-irrigation-technologies-smallholder-farmers.

[2] Queensland Government, "Sub-surface drip irrigation (SDI) - Advantages and limitations," [Online]. Available: https://www.daf.qld.gov.au/business-priorities/plants/field-crops-and-pastures/broadacre-field-crops/managing-water-resources/sub-surface-drip-irrigation/advantages-and-limitations.

[3] T. Peters, H. Neibling and R. Stroh, "Low Energy Precision Application (LEPA) and Low Elevation Spray Application (LESA) Trials in the Pacific Northwest," [Online]. Available: http://alfalfa.ucdavis.edu/+symposium/2016/PDFfiles/6%20Peters%20Troy.pdf.