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Fertilisers
A Catalyst article about what happens as plants grow. During their growth, plants remove compounds of nitrogen, phosphorus and potassium from soil which need to be replaced to maintain the soil’s fertility. For centuries farmers have used organic manures, crop rotation or ploughed in specially grown crops; today many use chemical fertilisers to enrich the soil, the article looks at their use.
This article is from Catalyst: GCSE Science Review 2004, Volume 14, Issue 3.
Catalyst is a science magazine for students aged 14-19 years. Annual subscriptions to print copies of the magazine can be purchased from Mindsets.
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Fertilisers 1.36 MB