'The year 2013 has been a great year for global agriculture. Record world production of rice and healthy production of wheat and corn produced strong harvests across the world. These gains were achieved despite continuing predictions that world agricultural output is headed for a decline.'
March 17, 1922: 'WORLD’S GREATEST PROBLEM. Dr. Riedel conceived the idea of speeding up the growth of plants by giving them extra supplies of carbon dioxide...Tomatoes in the greenhouse supplied with gas weighed 175 per cent, more than in the other houses, and cucumbers show ed increase of 70 per cent.'