CBOT Trends-Wheat down 5-6 cents, corn down 3-4, soybeans down 14-15

CHICAGO, Sept 22 (Reuters) - The 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 Monday.

WHEAT - Down 5 to 6 cents per bushel

• CBOT wheat futures were lower as improving harvest prospects globally weighed on the market.

• Algeria's state grains agency OAIC has issued an international tender to buy soft milling wheat to be sourced from optional origins, European traders said on Sunday.

• Rains through Thursday are expected to aid southern Midwest and Delta soft wheat, according to Commodity Weather Group.

• CBOT December soft red winter wheat WZ25 was last down 5-1/4 cents at $5.17-1/4 per bushel. K.C. December hard red winter wheat KWZ25 last traded down 2-3/4 cents at $5.04-1/2 a bushel and Minneapolis December wheat MWEZ25 traded 1-1/2 cents higher at $5.69 a bushel.

CORN - Down 3 to 4 cents per bushel

• CBOT corn Cv1 futures weakened as dealers awaited a report on U.S. harvest progress from the U.S. Department of Agriculture, due later in the day.

• U.S. corn harvesting is in its early stages, and dealers are monitoring early yield reports to gauge the impact of crop diseases and late-summer dryness that could prompt the USDA to lower its production estimates next month. GRA/

• Drier weather this week in the U.S. Midwest is likely to limit harvesting delays, according to Commodity Weather Group.

• CBOT December corn CZ25 was last down 3-1/4 cents at $4.20-3/4 per bushel.

SOYBEANS - Down 14 to 15 cents per bushel

• CBOT soybean Sv1 futures dipped on Monday, as a phone call last week between U.S. President Donald Trump and Chinese President Xi Jinping provided no signs of progress on negotiations over agricultural exports.

• China, the world's largest soy importer, has stopped buying U.S. soybeans, instead turning to South American supplies. GRA/

• Brazil's soybean planting for the 2025/26 season reached 0.9% of the total expected area as of last Thursday, agribusiness consultancy AgRural said on Monday, adding that intensified work in the fields was registered in the states of Parana, Mato Grosso, Rondonia and Sao Paulo.

• Argentina will remove export taxes on all grains for more than a month to boost the supply of dollars during that period, government spokesman Manuel Adorni said on Monday.

• Argentina is the world's top exporter of soybean oil and meal.

• CBOT November soybeans SX25 were last down 14-1/4 cents at $10.11-1/4 per bushel.