Depending on farm productivity, the vegetables cost 50 cents to $1 a pound.

During the same period, farm productivity more than doubled.

These measures improved farm productivity, and at the same time drove some peasants into the cities who began to earn wages.

Such rapid growths in farm productivity enabled India to become self-sufficient by the 1970s.

The table below presents average farm productivity in India over three farming years for some crops.

China's farm productivity for wheat, in 2009, was about double that of Russia.

The forces that shape the climate are also critical to farm productivity.

If one looks at manufacturing and farm productivity over this period, one sees the problem is not there.

Their presence also reduces real estate values and farm productivity.

I believe that agricultural research is required in order to boost farm productivity.