Premodifier: water
Head noun: harvesting

Same concepts
http://dbpedia.org/resource/Rainwater_harvesting

Broader concepts

labelprovenanceconfidence
techniqueisap:1924982570.777861
strategyisap:2852150890.675988
technologyisap:4007476770.560527
fieldisap:4742714050.537902
practiceisap:2833452540.532678
topicisap:4750577770.461447

Narrower concepts

labelprovenanceconfidence