Poorly thought out USDA cuts are also going to hamper our ability to develop improved crops in the future, as discussed in this article:<p><a href="https://www.science.org/content/article/u-s-gene-banks-key-new-crops-hobbled-trump-job-cuts" rel="nofollow">https://www.science.org/content/article/u-s-gene-banks-key-n...</a>
I would think our biggest obstacle is large corporations trying to wring every dollar out of farmers. John Deere, Archer Midland Daniels, and Monsanto come to mind. Oh looks like Monsanto is part of Bayer now.