How much of the total food cultivation was actually found in North America?

Grains, fruits and vegetables were farmed in North America. The cultivation begin there at 5000 bp.

The tropical zones of North America grows oranges, sugar cane, banana and cocoa. Theses crops grow on humid mountains and coastal plains.

The total crops grew were more than $136 billion. This contributed 0.6% of GDP of America.

The total gross Domestic product of America is much high and agriculture crops amount to very small part but still it is one of n important source for economy.

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