China’s pledge to buy U.S. farm goods based on “market conditions” during the Phase 1 trade deal signing ceremony on Wednesday added to doubts among farmers and commodity traders over Beijing’s lingering tariffs on U.S. exports. The agreement, meant to reduce tensions after nearly two years of a tit-for-tat tariff war, included a pledge by China to purchase at least an additional $12.5 billion worth of agricultural goods in 2020 and at least $19.5 billion over the 2017 level of $24 billion in 2021. President Donald Trump’s insistence on a big commitment to buy farm products was a major sticking point in talks leading up to the signing, people briefed on the negotiations said, as China wanted the freedom to buy based on demand. Chinese Vice Premier Liu He, standing beside Trump, said on Wednesday that Chinese firms will buy American products “based on market conditions.” […]