prof. sutter: my name is paul sutter, i am a professor here at the university of colorado, boulder. this is an introduction to global history. today, our lecture is on agriculture and the fertilizer revolution. we began this course talking about agriculture with regards to the unending frontier, the expanding across the world, and the birth of the plantation complex in tropical regions. another critical storyline and the environmental history of agriculture has been agricultural intensification. the growing, intensifying land-use to get more crops out of those lands. this coincides with the industrial revolution, which created a real need for those in europe and the united states to really concentrate on increasing food production to escape the trap, thinking that population would grow faster than a food production. there was the green revolution, where modern agriculture and genetic engineering was introduced to the developing world. today i want to talk about the 19th century and the fertilizer