crop failure was a decrease or loss in crops produced.
Circa 2259, crop failure hit Cerberus II while Leonard McCoy's daughter Joanna McCoy attended school there. Leonard attributed the survival of the planet's population to Carter Winston's intervention. (TAS: "The Survivor")
In 2269, Sherman's Planet suffered crop failures, necessitating the shipment of quintotriticale via robot grain ships. (TAS: "More Tribbles, More Troubles")
In a vision Jean-Luc Picard had of the Ressik, the administrator asked Batai why a single tree flourished while crops were dying. (TNG: "The Inner Light")
In 2370, Rozahn asked the Skrreea what they would do if their proposed settlement on Bajor suffered crop failure. (DS9: "Sanctuary")
In 2375, "Anjohl Tennan" claimed his crops had been destroyed by Rogath blight the year previous. (DS9: "'Til Death Do Us Part")