Fault the wrong roles

Exercise and reference answers

Questions

1. Question

   Three of these are not the role of organic matter in soil.

   Choices

   1. Item

      Reserving nutrients for fertility

      Correct

      Yes

   2. Explanation

      infiltration depends on soil porosity

      Item

      Controlling water infiltration

   3. Explanation

      micro-organisms do the breaking down

      Item

      Breaking down organic matter

   4. Explanation

      nitrification is carried out by bacteria

      Item

      Turning nitrogen into nitrate

Instructions

Three of these are not the role of soil organic matter. Fault each one.