Introduction

Soil Chemistry delves into the physio-chemical composition and dynamic processes occurring within soils, crucial for understanding soil health and its role in supporting ecosystems. This field examines the intricate balance of inorganic and organic components, including minerals and humus, which contribute to the soil's fertility and structure. Key aspects include the reactions in soil solutions, such as ion exchange (physiosorption) and ligand exchange (chemisorption), which govern the mobility and availability of nutrients and contaminants.

By understanding these chemical interactions, Soil Chemistry provides essential insights into soil management and conservation, fostering sustainable agricultural practices and environmental protection.

Objectives

After going through this unit you will be able to:

1. describe Physio - chemical composition of soil with organic and inorganic components of soil;

2. understand various reactions in soil solution;

3. explain various phenomenon like ion exchange , ligand exchange;

4. how precipitation and dissolution works.