Imports of crude oil were greater than domestic production for the first time since 1978.

Domestic production of foods such as frozen peas, apples and fresh carrots would be severely curtailed.

Domestic production of coal dwindled to 12m tons last year, an all-time low.

Domestic production expanded in the early 1980s, however, and by 1985 soybean imports fell and exports exceeded 1 million tons.

Domestic production increased until 1980, after which it declined sharply due to low uranium prices.