# Soil air and soil moisture

> Roots and aerobic microbes need soil air. Pore space shared with water means wet soils can become oxygen-poor quickly. Soil air is the gas mixture in soil pores not filled with water. Texture…

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## Full notes

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## More in Soil moisture, air and temperature

- [Soil temperature and its effects on soil processes](https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-moisture-air-and-temperature/soil-temperature-and-its-effects-on-soil-processes) — Next section
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## Frequently asked questions

### What will I learn in "Soil air and soil moisture"?

This section covers Soil air and soil moisture as part of Soil moisture, air and temperature in Grade 11 Agricultural Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Soil air and soil moisture", are written against the official CAPS curriculum and ATP for Grade 11 Agricultural Sciences.

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Continue with the next section in Soil moisture, air and temperature, or test your understanding with the interactive quiz linked to this section.

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