* In the Rosario grains market, soy closed at 1,710-1,740 pesos ($316-$322)per tonne, pushed up by bullish Chicago trade from 1,700-1,730 pesos per tonne on Friday.

* Front-month soybean futures on the Chicago Board of Trade hit a nine-month high on Monday on tight US supplies of soybeans and soymeal, while forecasts for hot weather in the Midwest lifted new-crop contracts.

* At the port of Quequen, soy closed at 1,710 pesos per tonne while in Bahia Blanca, the oilseed ended at 1,720 pesos.

* Truckers blocked access to Rosario on Monday in a one-day strike to protest high income taxes, another sign of mounting opposition to President Cristina Fernandez leading up to midterm elections.

The following is a list of grain and oilseed prices in Argentina's main ports. Values from the previous session are in parentheses