# Soil alkalinity, salinity and soil organic matter

> Alkaline and salty soils hurt crops in arid and irrigated areas. CAPS separates alkalinity, saline soils and sodic soils, then focuses on prevention and reclamation. Alkaline soils have pH \> 7 with…

- Page: https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-chemistry-and-organic-matter/soil-alkalinity-salinity-and-soil-organic-matter

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 11](https://www.hlayiso.com/grade-11) › [Agricultural Sciences](https://www.hlayiso.com/grade-11/agricultural-sciences) › [Notes](https://www.hlayiso.com/grade-11/agricultural-sciences/notes) › [Soil chemistry and organic matter](https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-chemistry-and-organic-matter) › [Soil alkalinity, salinity and soil organic matter](https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-chemistry-and-organic-matter/soil-alkalinity-salinity-and-soil-organic-matter)

## Full notes

This is a preview of the Soil alkalinity, salinity and soil organic matter notes for Grade 11 Agricultural Sciences. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Soil chemistry and organic matter

- [Soil colloids, cation exchange and soil acidity](https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-chemistry-and-organic-matter/soil-colloids-cation-exchange-and-soil-acidity) — Previous section
- [All Soil chemistry and organic matter sections](https://www.hlayiso.com/grade-11/agricultural-sciences/notes/soil-chemistry-and-organic-matter)

## Frequently asked questions

### What will I learn in "Soil alkalinity, salinity and soil organic matter"?

This section covers Soil alkalinity, salinity and soil organic matter as part of Soil chemistry and organic matter 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 alkalinity, salinity and soil organic matter", are written against the official CAPS curriculum and ATP for Grade 11 Agricultural Sciences.

### What should I study after "Soil alkalinity, salinity and soil organic matter"?

Continue with the next section in Soil chemistry and organic matter, or test your understanding with the interactive quiz linked to this section.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.