. A blistering heat wave has scorched wheat fields in India, reducing yields in the second-biggest grower and damping expectations for exports that the world is relying on to alleviate a global shortage. Temperatures soared in March to the highest ever for the month on record going back to 1901, shriveling India’s wheat crop during a crucial growth period. That’s spurring estimates that yields have slumped 10% to 50% this season, according to almost two dozen farmers and local government officials surveyed by Bloomberg. An Indian farmer harvests wheat on the outskirts of Jammu. This could be a serious blow to global wheat supplies after Russia’s war in Ukraine upended trade flows out […]