Internal Code: MAS1671
Essay Writing Assignment:
Choose one of the following topics:
1. Soils differ in their capability and suitability for various uses. Describe the scientific basis and application of one or more schemes (international, national or state)that define soil capability.
2. Choose an essential element (for plants) and describe the factors determining it’s availability to plant roots in soil.
3. Soils differ in their ‘suppressiveness’ to soil-borne diseases of plants. What are the mechanisms determining suppressiveness to one or more important soil-borne diseases?
4. Choose an important soil degradation process and describe the mechanisms by which it occurs.
Essay length Maximum of 2,000 words (excluding abstract, tables and references).