CSPAN3 Lectures In History May 29, 2016
Farming. He describes how during the 1800s, farmers look for nitrates, and moving away from traditional methods such as field rotation. This class is about 50 minutes. My name is paul. I am a professor. I want to welcome cspan viewers to our history class. This is an environmental history focus. And today, our history is on agriculture and the fertilizer revolution. We began this course talking about agriculture and the frontier the expansion of the agricultural frontier across the world. And the birth of the plantation complex in tropical regions. But another critical storyline of the last fe...