Kamis, 12 Mei 2011

U.S. Farm Productivity Versus Energy Use

The above graph speaks volumes in demonstrating the productivity and efficiency gains which have been achieved by our modern agricultural system over the past fifty years. Farm output is 158% higher today than sixty years ago. The U.S. population has gone up nearly 400% during the past century while food and clothing prices have remained low. In addition, we have been able to export large amounts