U.S. agriculture was transformed during the 20th century by waves of innovation with mechanical, biological, chemical …, and information technologies. Compared with a few decades ago, today’s agriculture is much less labor intensive and farms … innovation will be required to preserve past productivity gains in the face of climate change, coevolving pests and diseases, and …

U.S. agriculture was transformed during the 20th century by waves of innovation with mechanical, biological, chemical …, and information technologies. Compared with a few decades ago, today's agriculture is much less labor intensive and farms … innovation will be required to preserve past productivity gains in the face of climate change, coevolving pests and diseases, and …