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Module 1: medidores de pH

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XSIQ
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Chemistry - Soil pH

Soil pH

Gardeners can purchase kits to measure the pH of the soil in their
gardens. If the soil is too acidic, [1] lime can be added while the
addition of manure, aluminium sulfate fertiliser or compost makes the soil
less alkaline. [2]

Start the animation to find out about soil pH.

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Links:
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[1] http://alison.com/#
[2] http://alison.com/#