Feb 24 (Reuters) - Soybean futures on the Chicago Board of Trade were called 1 to 2 cents per bushel higher on Friday, supported by talk of fresh sales to China and a weaker U.S. dollar, traders said. * Soymeal was called 50 cents to $1 per ton higher and soyoil up 0.05 cent per lb. * The trend for soybeans in Globex trade overnight was up 1 to 1-1/2 cents per bushel, with March last up 1 cent at $12.77-3/4 per bushel. Soymeal was up $1.10 to $1.30 a ton and soyoil was down 0.08 cent per lb. * Traders noted talk that China may have purchased five to 10 cargoes of U.S. soybeans this week. * USDA showed export sales of U.S. soybeans in the latest reporting week at 4,032,400 tonnes, above a range of trade estimates for 3,500,000 to 3,900,000 tonnes. USDA said China bought 521,100 tonnes for 2011/12 and 2,805,000 for 2012/13, while another 68,000 tonnes was sold to "unknown" for 2012/13. * USDA reported weekly soymeal export sales at 216,000 tonnes and soyoil sales at 25,200 tonnes, both above trade expectations. * USDA's projections at its annual outlook forum for a rebound in U.S. soybean, corn and wheat production for 2012/13 may cap rallies. * However, USDA projected that U.S. 2012/13 soybean ending stocks would drop to 205 million bushels, from 275 million in 2011/12. * The nine-day RSI for March soybeans stood at 77 ahead of the open, within the technically overbought range of 70 to 100. * CBOT March options expire at the close.

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