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  Starvation: Extreme hunger. Can be fatal.  Malnutrition: Health is unbalanced by an unbalanced diet. It’s possible to eat a lot of food, but be malnourished.

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Presentation on theme: "  Starvation: Extreme hunger. Can be fatal.  Malnutrition: Health is unbalanced by an unbalanced diet. It’s possible to eat a lot of food, but be malnourished."— Presentation transcript:

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2   Starvation: Extreme hunger. Can be fatal.  Malnutrition: Health is unbalanced by an unbalanced diet. It’s possible to eat a lot of food, but be malnourished.  Agriculture: Raising food by growing crops or raising livestock.  Livestock: Animals raised for food. Vocabulary

3 What’s the most important advancement in human history?

4   Why?  Without agriculture, you can’t have permanent settlements.  Permanent settlements mean:  Common language  Culture  Security  Technological advancements Answer: Agriculture

5   ________________________________________ What sort of crops are popular in your home countries?

6   Growing crops is not always easy.  There are problems that farmers have to work around in order to grow things. Problems with farming

7   Problem:  Growing season too short or too cool  Solutions:  Grow a crop with a shorter season.  Develop varieties that grow faster

8  Problems with farming  Problem:  Not enough moisture  Solutions:  Irrigation  Develop crops that need less water

9  Problems with farming  Problem:  Infertile soils  Solutions:  Add natural fertilizers (ex: manure, compost)  Chemical fertilizers  Use plant rotations

10  Problems with farming  Problem:  Harmful insects or weeds  Solutions:  Chemical herbicides and pesticides  Introduce predator insects  Genetically modify weed and insect resistant crops

11  Agriculture can be categorized in two different ways: 1.Subsistence Farming versus Cash-Crop Farming 2.Intensive Agriculture versus Extensive Agriculture Different Types of Agriculture

12  Subsistence Farming  Grow crops and raise livestock on small farms, mainly to feed their own families.  Grow a wide variety of crops to eat.  Leftovers are sold, but there isn’t much left. Cash-Crop Farming  Food raised on large farms, and is sold in local and world markets.  Specializes in just a few products.  Farmer uses money from selling crops to feed family.

13  Intensive Agriculture  Farming with a small amount of land  Uses a lot of labour, chemical fertilizers, and equipment designed to make crops or livestock grow faster  More crops per acre than Extensive Agriculture.  Vineyards and hog factory farms are examples Extensive Agriculture  Farming with lots of land, but little labour.  Uses big machines to plant and harvest crops on a larger scale.  Gets less crops per acre than Intensive Agriculture  Grain farming and ranching are examples.

14  Where would I put the following? 1.A 1000 hectare cattle ranch in Alberta 2.Nomadic goat and sheep herding in North Africa 3.A 0.2 hectare family farm in Bangladesh 4.A Vineyard in Southern France 5.A 75 hectare southern Ontario dairy farm 6.A 300 hectare corn and soybean farm in Iowa


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