By 1951: Group of answer choices Few farmers saw the advantage of a twine-tie baler, especially as more specialized in corn and soybean production and abandoned livestock. Confinement operations with automated feed systems made hay obsolete as cattle feed and thus made baling unnecessary. More than ten years had passed since the introduction of the first automatic twine-tie baler, and 41 percent of all Iowa farmers planned to bale all or part of their hay crop