Multiple Choice
Saline soils are characterized by _______.
A) high CaCO3 levels near the soil surface
B) sodium adsorption ratios of 13 or higher
C) electrical conductivity of standard saturated paste of less than 4 dS/m
D) pH values of less than 8.5
E) low chloride and sulfate contents
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The cation exchange capacities of alkaline soils
Q2: The degradation of irrigated soils across the
Q4: Which of the following characteristics of irrigation
Q5: Normal alkaline soils are characterized by all
Q6: Irrigation of a saline-sodic soil with water
Q7: Sodic soils generally have a poor physical
Q8: Phosphate availability is constrained in alkaline soils
Q9: Removal of excess salts from the soil
Q10: The growth of plants on sodic soils
Q11: Sulfuric acid is sometimes added to irrigation