Soils

31. Which of the following soil properties affects the ease of root penetration and the ability of soil to hold water?
a. Texture
b. Structure
c. pH
d. All of the above

32. Which of the following is not a primary nutrient for plant growth?
a. Nitrogen
b. Phosphorus
c. Potassium
d. Calcium

33. What is the term used to describe the process of adding lime to the soil to increase pH?
a. Liming
b. Acidifying
c. Fertilizing
d. Composting

34. Which of the following is a measure of the ability of soil to hold onto nutrients?
a. Electrical conductivity
b. Cation exchange capacity
c. Total dissolved solids
d. pH

35. What is the term used to describe the process of breaking down organic matter into simpler compounds?
a. Leaching
b. Decomposition
c. Weathering
d. Erosion