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Fundamentals of soil science questions.

Fundamentals of soil science questions.

Find Fundamentals of soil science university examination questions in acaproso.com

# Question
1

Write short notes on the following:

  1. Significance of soil colour
  2. Management of soil temperature

Short answers
2

Discuss four factors that are likely to facilitate formation of soil aggregates.


Short answers
3

Write short notes on the following

  1. Soil water potential
  2. Soil particle density

Short answers
4

A 250 cm3 cylindrical container was used to collect undisturbed soil sample. The container and the soil weighed 410 g when dried. When empty, the container weighed 70 g. Calculate the bulk density and porosity of the soil (assume that particle density of the soil is 2.65 g/cm3)


Mathematical Calculation
5
  1. Compare the structures and any five properties of kaolinite and montmorillonite types of clays.
  2. Describe the sources of negative charges in silicate clays.

Short answers
6

Name the types and describe the characteristics of the different types of salt-affected soils.


Short answers
7

Soil microorganisms at times find themselves existing under unfavourable environmental conditions. Describe, giving examples , the ways in which the microorganisms resist such unfavourable conditions.


Long answers
8
  1. What is the difference between an aneorobic microorganism and a facultatively anaerobic microorganism?
  2. Actinomycetes have properties that make them resemble bacteria, on the one hand, but also resemble fungi on the other . Show the truth of this statement.

Short answers