China imported no soybeans from the U.S. in September, the first time since November 2018 that shipments fell to zero, while South American shipments surged from a year earlier, as buyers shunned American cargoes during the ongoing trade dispute between the world’s two largest economies.
You can’t do corn every year. Corn farmers need to rotate and the primary crop is soy since it replenishes the nutrients corn needs and it is easy and you can sell it (or could)