A. Bas saturation percentage = CA+Mg+Na / CEC x 100
B. Bas saturation percentage = /CEC / CA+Mg+Na x 100
C. Bas saturation percentage = /CEC / CA+Mg x 100
D. None of the above
Advertisement
Related Mcqs:
- The exact chemical formula of DAP fertilizer is___________________?
- A. (NH2) HPO4 B. NH4H2PO4 C. NH4H2PO4 D. Both a & c...
- The exact formula for sodium hexametaphosphate is___________________?
- A. [(NaPO6)13] B. [(NaPO3)13] C. [(NaPO2)6] D. None of the above...
- The formula used for calculating RSC is _____________________?
- A. RSC=(CO32 + HCO2) (Na + K + Ca2 + Mg2) B. RSC=(CO32 + HCO2) ( Ca2 + Mg2) C. None of the above D. non of these...
- Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________________, with high base saturation and low organic matter content (generally less than 1%)?
- A. Alkaline B. Very much acidic C. Calcareous D. both A & C Submitted by: Shafiq Rehman...
- The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?
- A. Saline soils B. Saline-sodic soils C. Sodic soils D. Neutral soils...
- The chemical formula of Hematite is_____________________?
- A. AL (OH)2 B. Fe2O3 C. Fe OOH D. None of the above...
- The chemical formula for Ammonium acctatc is_____________________?
- A. NH3OAC B. NH4OAC C. NH4AOC D. Both b & c...
- All organism or cell having a chromosome number that is not an exact multiple of the monoploid or basic number is known as___________________?
- A. Allopolyploid B. Autopolyploid C. Aneuploid D. Euploid...
- An organism or cell having a chromosome number that is higher than the exact nultiple of the basic number is known as__________________?
- A. Hypoploid B. Hyperploid C. Allopolyploid D. Autopolyploid...
- A soil is categorized as saline when EC of saturation extract is______________________?
- A. >4dsm-1 B. 0.4dsm-1 D. 0.4 4.0 dsm-1...
Advertisement