GEOG 1200 Lecture Notes - Lecture 5: Arable Land, Soil Fertility, Overnutrition
5 Dec 2016
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Can we feed 9 billion people: historically, food production has kept up with population growth, need to consider soil, water, genetic diversity, over the past 300 years, agricultural land has increased by 450% Agriculture is almost always in the most densely populated areas. People have expanded into these areas and now the agricultural land has decreased: there have been attempts to stop this urbanization from happening, the green belt. Relative inputs of major types of agriculture: most important least important inputs of industrial agriculture, capital/fossil fuel (most, land, labour (least, pastoral nomadism: agriculture in a certain area. Once the crops have been harvested, they leave and allow the land to recover don"t come back until the land has been reverted back to its original state: land, labour/capital. World production of crops has increased overall and generally per capita: consider real production of food around the globe, africa:
