Which organisms break down nitrogen compounds in soil?
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Card 7
Front
Which is the most important chemical element that plants obtain from the soil?
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Card 8
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In intensive farming, what is used to put back this element?
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Card 9
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In organic farming, what is used to put back this element?
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Card 10
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Organic farmers may also grow leguminous plants as a crop every few years. What is the name of this technique to put an essential nutrient back into the soil?
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Card 11
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Scientific reseach and applications are controlled by:
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Card 12
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People on low incomes may benefit from intensive farming because it produced food that is:
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Card 13
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Some people believe that intensive farming is bad because it uses:
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Card 14
Front
Some people buy organically grown food because they think it is:
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Card 15
Front
People on low incomes may not buy organically grown food because it is:
