Corn is America’s top agricultural crop, and it’s also one that has the most residue leftover. About half the harvest — stalks, leaves, husks, and cobs — remains as waste after the kernels have been stripped from the cobs. These leftovers, known as corn stover, have few commercial or industrial uses aside from burning. A […]

A study reveals that while yields have increased overall — with biotech and management — the U.S. corn crops have become more sensitive to drought.