But France is now trying to cancel the concession on subsidized grain.

In the past rich countries have been dumping subsidized grains at below cost prices into poor countries and hurting the local farming industries.

They agreed to reduce subsidized grain and other food exports from the European Community by 21 percent over the next six years.

A senior Government official who did not want to be identified said millers sometimes sell the subsidized grain at a profit to pig farmers.

President Jacques Chirac of France promised African leaders this month that he would suspend shipments of subsidized grains to their continent.

It provided subsidized grain and other aid from its own stocks, and has apparently made every effort to avert disaster.

But Mr. Balladur said today that this did not mean that France would automatically acquiesce to calls for Europe to shrink the amount of subsidized grain it exports.

Mr. Reagan did not specifically cite which provisions were most irritating, but Administration officials have criticized amendments that would provide subsidized grain to ethanol producers.

Later emperors all used free or greatly subsidized grain to keep the populace fed.

The Soviet Factor He also noted the Soviet Union was bidding for one million tons of wheat as part of its agreement to take four million tons of subsidized grain.