Three cotton farmers from Karimnagar district of Andhra Pradesh allegedly committed suicide owing to indebtedness and crop failure, police said today.

Bhimuni Kanakaiah (44), a cotton-grower from Suraiahpalli village killed himself by consuming pesticide in his field Wednesday, they said, adding the deceased had borrowed a loan of Rs 2 lakh but failed to repay it as the crop failed due to deficient rains.