Plant Science Chapter 3 PDF

Chapter 3—Feeding the World Key Concepts Human population continues to increase Food supply continues to increase with advances in technology Natural resources are critical for agriculture and conservation is important to feed the increasing population Green Revolution greatly increased food supply...

Chapter 3—Feeding the World Key Concepts Human population continues to increase Food supply continues to increase with advances in technology Natural resources are critical for agriculture and conservation is important to feed the increasing population Green Revolution greatly increased food supply Strategy is needed to meet increasing food needs through improved genetics and cropping practices Cause : Culture limited forms Human Populations Developed Developed – increasing 0.1% per year Developing Developing – increasing 1.5% per year , bC kids , The us , are an of "asset" Rest Canada, Japan , Europe, Australia 1 Global Food Production Development and adoption of technology has increased crop production per acre Food distribution is not even 17% of the world population faces food insecurity Food Insecurity - Economic and social Government control War/political unrest Poverty Food Insecurity - Environmental limitations Soil degradation Farming practices Erosion Loss of nutrients Salinization Water – limiting factor Ogallala Aquifer Energy http://en.wikipedia.org/wiki/File:Ogallala_Aquifer_map.png 2 Increasing World Food Supplies Green Revolution – 1940s Plant breeding Irrigation Fertilizer Pesticides Norman Bourlag – Father of the Green Revolution International Research Institutes Solutions?? Preserve existing land Practice water conservation Develop other approaches to crop production Increase funding for agricultural research Maintain genetic diversity Reduce fossil fuel reliance 3