International Journal of Agriculture and Agricultural Sciences

International Journal of Agriculture and Agricultural Sciences ISSN: 1712-3496,  Vol. 5 (3), pp. 147-163 June, 2018.  © Advanced Scholars Journals 

Review Paper

Drip irrigation systems in vertical and green roof gardens

Dr. A.N.Sarkar

Ex-Senior Professor (International Business) & Dean (Research), Asia-Pacific Institute of

Management, 3 & 4 Institutional Areas, Jasola (Sarita Vihar), New Delhi


Accepted 28 May, 2018.


Drip irrigation is an ideal solution for irregular or small areas. Inline and in situ drip irrigation limits the potential for liability by reducing or eliminating overspray on buildings, walkways, roadways, and other trafficked areas. Maintenance costs are often lower due to reduced overspray, runoff, erosion, compaction, water staining, and property damage. With no exposed emission equipment to get vandalized, stolen, damaged, misaligned, or worn out, material costs over the life of a project are substantially lower. A fertilizer injection (fertigation) system—for chemical or organic products—can be easily introduced to inline drip systems and distributed directly to plant root zones. This avoids human and animal contact and provides a more even distribution of material, minimizing material cost. Where water supply or irrigation scheduling is problematic, subsurface irrigation may be used to extend the watering window. Irrigation can be scheduled anytime, even during active use, without worry about increased evaporation during the day. Extending the watering window may allow lower flows, resulting in significant savings through reduced connection fees and materials costs.Drip irrigation components include: control, valve, ET-Sensor, Filter, Zone control kits, Inline Drip Tubing, Pressure regulator, Laterals, Barbed fittings, Air/Vacuum Relief (AVR) Valve, Supply header, Exhaust header, Flush Valves and PLD Cap, etc. The paper gives a detailed account of various Drip Irrigation systems that are commercially and successfully used in Vertical gardens and Green roof gardens in different parts of the world.

Key words: Drip Irrigation, Vertical Gardens, Green Roofs, ET-Sensor, fertilizer injection.


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