Principles of Agricultural Science – Plant 1. 2 Plants in Our World Unit 1 – Worlds of Opportunity Lesson 1.1 A World without Enough Plants Principles.

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Presentation transcript:

Principles of Agricultural Science – Plant 1

2 Plants in Our World Unit 1 – Worlds of Opportunity Lesson 1.1 A World without Enough Plants Principles of Agricultural Science – Plant

3 Crop Regions  Frost free periods (growing season)  Mean average temperature (growing degree days)  Rainfall Certain crops grow in specific regions of the United States. Influencing environmental factors include:

4 The Relationship between Plants and Animals Animals (including humans) eat plant material Plants restore oxygen to the air animals breathe Decaying animal products support plant life in the form of nutrients

5 Harvesting the Sun Carbohydrates Fats Oils Plants use the energy from sunlight to convert raw materials from the Earth into:

6 Gas Exchange Plants use carbon dioxide from the air and convert it into oxygen The process of food production and gas conversion is called photosynthesis

7 Human Value Food Feed for livestock Fiber Fuel Medicine Aesthetic value What are some ways humans use plant material?

8 Stresses on Plant Production Global human population Demand for biofuels Urban growth Water resources Future increase in demands for plant production will need to be met. Current issues facing the supply of plant products:

9 Outcomes?  What if the supply of plants cannot keep up with human demands?  What are some solutions?

10 References Parker, R. (2010). Plant and soil science: Fundamentals and applications. Clifton Park, NY: Delmar.