Lesson B-21. The Life of Plants I: Growing Plants for Fun, Food, and Learning

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- Hydroponic agriculture–video
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- Raised bed gardening
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- Plowing video
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- Essential plant nutrients
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- Industrial production of fertilizer
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- Plant nutrient deficiency symptoms
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- Seed catalogues
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- Splash erosion–video
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- Organic food
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- Organic farming methods/ also: organic farming and human health
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- Compost, Composting
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  Bernard Nebel
- Home gardening
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