"Such a tariff would result in lower soybean prices and have numerous price and cost effects. We evaluate these impacts on the 2018-2021 financial performance of an average 1,700 acre grain farm located in central Illinois. Our analysis indicates a 25% tariff would result in a significant deterioration in cash flow. An attendant 20% farmland price decline would result in over a $500,000 decline in the farm's net worth by 2021."
For the full story and analysis see this Farmdoc Daily article:
http://farmdocdaily.illinois.edu/2018/04/impacts-of-chinese-soybean-tariffs.html