What factors contribute to the united states role as a leader in agricultural production and consumption

It is widely agreed that increased productivity is the main contributor to economic growth in U.S. agriculture. This data set provides estimates of productivity growth in the U.S. [ farm sector for the 1948-2009 period, and estimates of the growth and relative levels of productivity across the States for the period 1960-2004.

temperatures get warmer — and heatwaves are more common. nothing says summer like warm weather. this rise in temperatures is caused by the tilt of the earth's axis. our planet doesn't sit perfectly straight as it spins — it has a slight lean of approximately 23.5 degrees with respect to the sun, called the axial tilt.

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