# Water duties { "id": "S88000556", "title": "Water duties", "url": "/topics/S88000556", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "3f83dda1016f3877", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "14180779987489128960", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 64288, 45056 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on the quantity of irrigation water necessary to satisfy the requirements of the area of a particular crop. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh88000556 No owner-reviewed local answer yet.