17 Questions
What is cation exchange capacity in soil?
Where one ion replaces another ion in the soil
Which soil particles have the greatest level of cation exchange?
Clay and humus
What is the pH range for acidic soil?
0-6
What is humification in the context of soil?
The conversion of soil organic matter into humus
What role do live bacteria called nitrogen-fixing bacteria play in the Carbon Cycle?
They convert nitrogen gas into nitrates
What is the effect of soil pH on crop growth?
Negative correlation
In the context of soil, what does biomass refer to?
The amount of living material in a habitat
What converts soil organic matter into humus?
Earthworms
What is the significance of cation exchange capacity in soil?
It measures the ability of soil to retain nutrients for plants
Why is the pH of soil important for crop growth?
To understand nutrient availability for plant uptake
How does humification contribute to soil quality?
By converting soil organic matter into humus
What is the primary role of earthworms and bacteria in soil ecosystems?
To convert soil organic matter into humus
Why is nitrogen fixation essential for nutrient recycling in soils?
To convert nitrogen gas into nitrates
What does the term 'soil biomass' refer to?
The total amount of living material in a habitat
In what pH range does acidic soil typically fall?
$0-6$
What is the main impact of an alkaline or basic soil pH on plant growth?
Enhanced nutrient availability
Which organisms are primarily responsible for converting nitrogen gas into nitrates in soils?
Nitrogen-fixing bacteria
Explore the essential chemical properties of soil, including cation exchange capacity and pH levels, and how they influence soil characteristics and crop growth. Understand the roles of clay, humus, and hydrogen ions in determining the quality of soil for sustaining living organisms.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
