24 Questions
Which of the following is NOT a physical indicator of soil health?
pH
What is the primary purpose of managing soil quality?
To protect and improve long-term productivity, water quality, and habitats
Which of the following is an indicator of soil biological health?
Microbial biomass C
What is the result of regular additions of organic matter on soil quality?
Linked to many aspects of soil quality
Which of the following is NOT a chemical indicator of soil health?
Soil structure
What is the relationship between soil quality and crop productivity?
Soil quality is an estimate of crop productivity potential
What is the purpose of assessing the effect of existing land management practices?
To identify areas for improvement
How many components of soil quality management are recommended for agricultural land?
6
What is the primary focus of managing soil quality?
To ensure sustainability for future generations
What is the main characteristic of soil that supports plant growth?
Its loose and transformed mineral composition
What is the primary factor influencing the development of soil properties over time?
Interactions between all of the above
What is the goal of evaluating soil quality parameters?
To monitor changes in soil quality over time
Which of the following is NOT a benefit of sustained biological productivity?
Reduced soil organic matter
What is the primary consideration for consumers when evaluating soil quality?
Plentiful and inexpensive food
What is the primary goal of soil quality assessment?
To manage soil so that it functions optimally now and in the future
Which of the following is NOT a characteristic of soil?
Liquid composition
What is a major benefit of organic matter in soil, in addition to improving nutrient availability?
Increasing water holding capacity
What is a potential negative consequence of excessive tillage on soil?
Triggering excessive organic matter degradation
What is a potential environmental consequence of mismanaged fertilizer use?
Pollution of water and air
What is the primary benefit of increasing ground cover on soil?
Protecting soil from erosion and crusting
What is a benefit of increasing plant diversity in soil?
Controlling pest populations
What is a consequence of soil compaction caused by excessive tillage?
Reduced soil water holding capacity
What is a benefit of using cover crops and surface residue on soil?
Improving soil water availability
What is a consequence of misapplied or overapplied manure and other organic matter on soil?
Pollution of water and air
This quiz covers the physical and chemical indicators of soil health, including soil structure, infiltration rate, and pH levels. It also explores the relationship between these indicators and soil health, including nutrient retention and plant productivity.
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