CBOT Trends-Wheat down 5-6 cents, corn down 3-6, soy down 3-4

CHICAGO, April 2 (Reuters) - Following are U.S. expectations for the resumption of grain and soy complex trading at the Chicago Board of Trade at 8:30 a.m. CDT (1330 GMT) on Wednesday.

WHEAT - Down 5 to 6 cents per bushel

Wheat futures declined as concerns over an upcoming tariff announcement threatened U.S. farm exports.

U.S. President Donald Trump is expected to impose sweeping new reciprocal tariffs on global trading partners on Wednesday, upending decades of rules-based trade, risking cost increases and likely drawing retaliation against U.S. goods.

Dry conditions across the Northern Plains heightened supply concerns, while the potential U.S. tariff on Canadian wheat imports could further tighten availability,

Ukraine's wheat exports are expected to remain high at 1 million metric tons in April, against 1.1 million tons in March, Ukrainian farm producers union UAC said on Wednesday.

CBOT May soft red winter wheat WK25 was last down 6-1/2 cents to $5.34 per bushel. K.C. May hard red winter wheat KWK25 was last up 1 cent to $5.66-1/4 a bushel while Minneapolis May spring wheat MWEK25 was last down 5 cents to $5.89 per bushel.

CORN - Down 3 to 6 cents per bushel

Corn ticked down as market players eyed Trump's upcoming announcement of sweeping tariffs.

StoneX estimated Brazil's first corn crop at 25.90 million tons, down from a previous estimate of 26.53 million tons, while the second crop is now forecast to stand at 101.62 million tons, down from the initial outlook of 102.13 million tons.

CBOT May corn CK25 was last down 6-1/4 cents to $4.55-1/2 per bushel.

SOYBEANS - Down 3 to 4 cents per bushel

Soybean futures also fell as traders anticipated the implementation of tariffs, though the soybean complex received support from a meeting between a coalition of oil and biofuel groups and the U.S. Environmental Protection Agency to discuss raising federal mandates for biomass diesel blending.

An accumulation of sediment in the Paraguay River on Tuesday delayed barges carrying Paraguayan soybeans to Rosario, Argentina, according to transportation and crushing chambers from both countries.

U.S. exporters sold 135,000 metric tons of soybean meal to the Philippines for 2024/25 delivery, the USDA reported.

CBOT May soybeans SK25 were last down 4-3/4 cents to $10.29-1/2 per bushel.