A. Increases
B. Decreases
C. Constant
D. None of these
A. Capillary water
B. Hygroscopic water
C. Gravitational water
D. None of the above
A. Soil crusting
B. Soil consistence
C. Bulk Density
D. Both a & c
A. Illuviation
B. Eluviation
C. Podzolization
D. Laterization
A. Calcification
B. Horizonation
C. Illuviation
D. Humification
A. Man and Animals
B. Higher Plants and Roots
C. Micro- organisms
D. All of these
A. 55.5 mol/L
B. 45.5 mol/L
C. Both a and b
D. none of these
A. 1% or less of soil volume
B. 10% or less of soil volume
C. 20% or less of soil volume
D. 30% or less of soil volume
A. Urea
B. Ammonium nitrate
C. Ammonium sulphate
D. Calcium ammonium nitrate
A. Acid soils
B. Sodic soils
C. Saline-sodic soils
D. Saline soils