Science dealing with the origin or formation of soil from the unconsolidated parent material with special reference to factors and process of soil formation is known as
A. Soil science
B. Pedology
C. Soil genesis
D. Edaphology
Answer: Option C
A. Soil science
B. Pedology
C. Soil genesis
D. Edaphology
Answer: Option C
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
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