BEIJING/SINGAPORE, Jan 26 (Reuters) - Chicago soybean and corn futures rose slightly on Tuesday, extending gains from the previous session fuelled by bargain buying after Friday's steep declines, even as improving weather in South America continued to weigh on prices.

Wheat eased after snapping four straight sessions of falls on Monday.

FUNDAMENTALS

* The Chicago Board of Trade (CBOT) most-active soybean contract was up 0.17% to $13.45 3/4 a bushel by 0225 GMT.

* Corn gained 0.39% to $5.13 1/2 a bushel, while wheat was down 0.08% to $6.48 a bushel.

* Brazilian soybean farmers are poised to collect a record crop of 132.2 million tonnes in 2021, even as drought disrupted planting, according to the average of estimates in a poll of 13 analysts.

* Russian wheat prices fell last week after sharp growth earlier in the month, following an official proposal for higher wheat export tax from March 1, and as consultancies raised 2021 forecasts for the grain.

* Delivery of grains and oilseeds to Argentine export hub Rosario was slowly returning to normal on Monday after a week of protests by truckers who blocked roads leading from the farm belt to port, industry sources told Reuters.

* Ukraine's economy ministry and agricultural unions agreed on Monday to limit corn available for exports in the 2020/21 season to 24 million tonnes.

MARKET NEWS

* Asian stocks went under pressure on Tuesday on worries about U.S. stimulus and surging coronavirus infections, while the dollar consolidated overnight gains.

DATA/EVENTS (GMT) 0900 Germany Ifo Business Climate New Jan 0900 Germany Ifo Curr Conditions New Jan 0900 Germany Ifo Expectations New Jan 1000 EU Consumer Confid. Final Jan

(Reporting by Hallie Gu in Beijing and Gavin Maguire in Singapore; Editing by Subhranshu Sahu)