Agriculture MCQs

2794 MCQs  (Page 148 of 280)

pF unit is used for the measurement of_____________________?
A. Hydraulic potential
B. Hydraulic conductivity
C. Negative soil water potential
D. All the above
Formula used for the calculation of sodium absorption ratio is______________________?
A. Sar=na / [(ca+mg)1/2] na x 2
B. Sar=na / cec x 100
C. Sar=na / cec x 100
D. None of these
Equation of Ozone is________________________?
A. O2 + o =o3
B. O3 + o
C. O2 o
D. None of the above
Corrositivity of water is an indication of___________________?
A. Salinity
B. Property of polluted material
C. Both a & b
D. None of the above