Chicago soybeans rose for a fourth straight session on Wednesday as results from an industry field tour heightened concerns about mixed U.S. Midwest yield prospects.
Firm crude oil and a run of Chinese purchases of U.S. soybeans also supported prices.
The most-active soybean contract Sv1 on the Chicago Board of Trade was up 0.8% at $12.26-1/2 a bushel by 1239 GMT.
Traders are closely watching reports from the Pro Farmer field tour after the U.S. Department of Agriculture (USDA) cut its corn and soybean yield forecasts last week.
Scouts on Tuesday reported below-average soybean and corn crop prospects in Indiana and Nebraska.
The USDA lowered its condition ratings for the nation's corn and soybean crops in a weekly report on Monday, following several wet weeks across the Midwest.
Surplus moisture is affecting around 20% of Midwest soy crops, the Commodity Weather Group said in a note.
Soybeans drew additional support after the USDA confirmed private sales of 136,000 metric tons of U.S. soybeans to China for delivery in the 2026/27 marketing year.
Last week, traders told Reuters that China had booked over 7 million tons of U.S. soybeans.
Meanwhile, National Oilseed Processors Association data showed NOPA members processed 216.647 million bushels of soybeans last month, up 1.1% from June and up 10.7% from July 2025.
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