Identify the odd one out of the given irrigation systems.
Moat
Drip system
Chain Pump
Rahat
Moat, chain pump and rahat are traditional methods of irrigation while drip system is an advanced modern method of irrigation.
Which of the following system of irrigation is preferred for the uneven land ?
(a) chain pump irrigation system (b) drip irrigation system
(c) sprinkler irrigation system (d) river irrigation system
Find odd one out - Rainwater harvesting, agricultural activity, drip irrigation.