USA and Chinese officials have been working for weeks on the contours of a possible deal for the two leaders to be announced following their dinner on Saturday on the sidelines of the Group of 20 summit in Buenos Aires and a road map for talks to follow.
Farmers in some U.S. states are being forced into plowing their crops under - effectively burying them under soil in fields - as there is not enough room to store them in storage facilities, and they are unable to sell their products thanks to Chinese tariffs, Reuters reported last week.
US President Donald Trump's trade war with China is a dominant theme at the weekend summit but one sideshow is how leaders deal with the presence of Saudi Crown Prince Mohammed bin Salman. The world will be watching to see if the two leaders come away with a breakthrough to end their escalating trade war, which has seen the United States slap tariffs on $250 billion worth of Chinese goods, with Beijing responding in kind.
"I happen to be a tariff person because I'm a smart person, OK?" he told the Wall Street Journal. In 2011, Trump claimed "China is raping this country" during a tour of a defense manufacturer in New Hampshire, local media reported.
We are continuing to raise these issues with China. But our people don't have a clue. "In China, it involves using regulatory tools such as anti-trust investigations to squeeze U.S. tech firms and tip the advantage to domestic competitors". They are, of course, ultimately a tax on U.S. consumers and shareholders.
Putin insisted on Wednesday that Russian forces were in the right to seize the Ukrainian ships last weekend, but Trump expressed "deep concern" at Moscow's actions against a United States ally. "Just take them to McDonald's and go back to the negotiating table, '" Trump said at a 2015 rally. "I've read hundreds of books about China over the decades".
The key representatives in the Chinese delegation remain unknown.
En route to Argentina, Xi said in Spain on Wednesday that his government would indeed boost protection of intellectual property, although foreign companies in China complain they have heard such promises before. "I understand the Chinese mind", he allegedly said. The only evidence survives on an LA Times blog post. In 2012, he tackled the subject of climate change by accusing Beijing of fabricating the idea to hurt U.S. economic interests.
USA officials say China has delivered a written response to US demands for wide-ranging trade reforms, but they remain doubtful this will be enough to bring about a breakthrough when Xi and Trump meet.
He also voiced hope for greater relations with Argentina, seeing pharmaceuticals, energy and information, and aerospace technology as areas of cooperation.
On Thursday, he urged US companies in a Twitter post to build in the U.S.in order to avoid tariffs because there is "a long way to go".
"China's strategy towards Trump will favour resilience over retaliation", Mr Hirson says.
In an unprecedented policy speech last month at the Hudson Institute, Pence had outlined a laundry list of USA concerns on China - from unfair trade practices and foreign interference to its regional aggressiveness in the East and South China Seas.
The G20 was formed in 1999 to bring stability to the global financial system, promote long-term sustainable growth and strengthen global financial governance.
All grain depots and silos are nearly full, meaning farmers have to find their own storage solutions or allow their crops to rot.