How did the industrial revolution affect human population?

It is clear that the industrial revolution allowed more food to be grown on the same land and so allowed for major population increases.

http://en.wikipedia.org/wiki/British_Agr鈥?/a>

http://en.wikipedia.org/wiki/Population_鈥?/a>

http://correspondents.theatlantic.com/co鈥?/a>

One factor was clearly the improvement in the knowledge of agriculture:

http://en.wikipedia.org/wiki/Fertilizer#鈥?/a>

and the infrastructure (shipping capability) to transport guano to where it was needed:

http://en.wikipedia.org/wiki/Guano#Histo鈥?/a>



This article argues that in the longer term, the industrial revolution reduced the birth rate in the U.S.:

http://esa21.kennesaw.edu/activities/pop鈥?/a>

and in the rest of the developed world:

http://en.wikipedia.org/wiki/Demographic鈥?/a>How did the industrial revolution affect human population?
people were making more money... so having more babies?