The man was identified as Vala Jeeva Modh who consumed the poison at his field, later reached home and informed his son about the act, they said.
Modh told his son that he had taken the drastic step due to crop failure, the officials said adding his son took him to the hospital but he was declared brought dead by the medical staff.
There has been deficient rains in Gujarat this monsoon, impacting the crop, especially in Saurashtra and Kutch region of the state.
The state government had recently declared 14 districts and 152 talukas of the state as "scarcity-hit" due to deficient rains.
It has announced a package with fodder subsidies and out-of-turn power connections in dark zones (with low underground water levels) among others measures taken to handle the difficult situation arising due to water scarcity in certain pockets of the state.
