A. Saline soils
B. Saline-sodic soils
C. Sodic soils
D. Neutral soils
Related Mcqs:
- A soil with an ESP greater than 15 is usually classified as___________________?
A. Sodic soil
B. Saline soil
C. Acidic soil
D. None of the above - The lands which are rich in soluble salts and exchangeable sodium:
A. Saline soil
B. Saline-Alkaline
C. Alkaline
D. None of the aboveSubmitted by: Shafiq Rehman
- 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 - 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 & CSubmitted by: Shafiq Rehman
- The exact formula for calculating the base saturation percentage is_____________________?
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 - Agar is an extract from____________________?
A. Fungi
B. Algae
C. Bacteria
D. None of the above - Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?
A. Agregation of soil particles
B. Cementing of soil particles
C. Dispersion of soil particles
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 - The exact formula for sodium hexametaphosphate is___________________?
A. [(NaPO6)13]
B. [(NaPO3)13]
C. [(NaPO2)6]
D. None of the above - The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?
A. Evaptranspiration
B. Transpiration
C. Evaporation
D. Guttation
