A full assessment of the impact of Chinese farm product imports on the domestic market must be completed before further imports are allowed by the government, according to the farm, finance and trade ministers who are jointly conducting the survey. Concern over soaring imports from China has led the three ministers to call for the implementation of trade restrictions in the short term. They spoke at a recent news conference about the possibility of invoking emergency "safeguard" measures on several particular products; stone leeks, shiitake mushrooms and rushes.