10/8/14

Tonight's homework is to complete Assignment 12 and the associated reading ("Testing Soil Productivity"). See below.

Assignment #12 Soil Investigation – Day 1 Questions

Answer all of the following questions to the best of your ability in complete sentences in your LAB NOTEBOOK.

1. Which type/component of soil (local soil, humus, sand, or clay) do you predict will be able to hold the most water? Support your prediction with evidence and reasoning from the reading and/or today’s notes.

2. What is capillary action? How can the capillary action of soil change?

3. What role does water-holding capacity have in agriculture?