61. Which of the following nutrients is most likely to be deficient in a soil with a high clay content?
a. Nitrogen
b. Phosphorus
c. Potassium
d. Calcium
Answer: c
62. Which of the following soil types is characterized by a high content of clay and a low content of organic matter?
a. Sand
b. Clay
c. Silt
d. Loam
Answer: b
63. Which of the following is a measure of the amount of air in the soil?
a. Soil organic matter
b. Soil texture
c. Soil structure
d. Soil porosity
Answer: d
64. What is the term used to describe the process of adding nutrients to the soil in a form that is immediately available to plants?
a. Liming
b. Acidifying
c. Fertilizing
d. Amending
Answer: c
