#1
Which of the following is not a primary soil particle size?
#2
What is the primary constituent of soil organic matter?
#3
What is the term used to describe the movement of water downward through soil?
#4
Which of the following nutrients is considered a macronutrient for plant growth?
#5
Which of the following soil horizons contains the most organic matter and is commonly referred to as the 'topsoil'?
#6
What is the term for the loss of soil fertility and productivity due to erosion, salinization, or other factors?
#7
Which of the following soil horizons is the top layer where organic matter accumulates?
#8
What is the soil texture if it has approximately equal proportions of sand, silt, and clay?
#9
What soil order is characterized by the presence of permafrost?
#10
Which of the following is a common soil conservation practice that involves alternating strips of crops with strips of vegetation?
#11
Which of the following is a common method for improving soil structure and aeration?
#12
What soil type is characterized by high fertility, dark color, and a high organic content?
#13
Which of the following is a primary determinant of soil fertility?
#14
What is the process of soil particles binding together into larger clusters or aggregates called?
#15
Which of the following is a measure of the soil's ability to hold onto and supply essential nutrients to plants?
#16
What is the term for the process of soil particles being displaced downward in the soil profile?
#17