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Card 6

Front

NPK fertilisers are _______ of different _____?

Back

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Card 7

Front

They all contain the appropriate _____ of element needed by the plant?

Back

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Card 8

Front

The main compound of nitrogen is what?

Back

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Card 9

Front

Where is the ammonia from?

Back

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Card 10

Front

Where is the nitric acid from?

Back

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Card 11

Front

We then react the?

Back

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Card 12

Front

The potassium comes from the two salts?

Back

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Card 13

Front

These compound can be _____ from where?

Back

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Card 14

Front

These can be used without any?

Back

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Card 15

Front

Phosphate rock must firstly be what?

Back

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