Soil and water

Question 1 of 10

Cation exchange capacity of a soil is highest in soils rich in

Question 2 of 10

Which soil holds the most water?

Question 3 of 10

Water held between soil particles and available to plants is

Question 4 of 10

The water held at field capacity minus that at permanent wilting point is

Question 5 of 10

Building banks across a slope in steps to control erosion is

Question 6 of 10

A soil has 40% sand, 40% silt and 20% clay. Its textural class is

Question 7 of 10

A soil with high organic matter generally has

Question 8 of 10

Water held so tightly around soil particles that plants cannot use it is

Question 9 of 10

The soil texture with the highest water-holding capacity is

Question 10 of 10

A soil with pH 5.0 can be corrected by applying