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.Management Sciences
Category: Soil Science
Soil structure without aggregation is known as____________________?
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A. Platy
B. Granular
C. Massive
D. Both b & c
The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?
A. Evaptranspiration
B. Transpiration
C. Evaporation
D. Guttation
The moisture content below which a cohesive soil does stick to metal tools is known as______________________?
A. Liquid limit
B. Plastic limit
C. Sticky limit
D. Alter berg limit
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 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
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