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Marking Period 3 notes (Growing enough food to meet a families immediate…

- - - - Carrying Capacity - the supportable population for a particular place
- - - - Positive feedback loop- feed kids what you were producing
        
        Negative feedback loop- birth control, no more family
- - - - The USDA, regulates what products can have the organic seal on them it can make the soil more fertile, balance insect populations and by avoiding the use of toxic fertilizers or pesticides
        
        Difference between organic and non organic is that organic food is grown, handled and processed in a more friendly environment
        
        Nutrients -supply your body with energy and substances that it needs to grow and stay healthy.
        
        Carbohydrates and fats are used as fuel to keep the body going protein is used to build new parts for the body as well as repairing old parts
        
        Calcium-strong bones Vitamin E- good for skin
- - - - protecting soil- Layers of soil, humus- layer of soil
        
        siltation- the buildups of soil in aquatic ecosystem
        
        No-till farming- leaving the soil undisturbed
        
        Contour Farming- planting crops around curves to reduce erosion, soil is more fertile
        
        Shelterbelt- a row of trees planted to help block wind
- - - - Feedlot- small area where large #ś of livestock are raised