Which of the following small grain crops has an exceptional tolerance to law leaves of soil copper supply?
A. Barley
B. Wheat
C. Rye
D. Oat
Answer: Option A
A. Barley
B. Wheat
C. Rye
D. Oat
Answer: Option A
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
Join The Discussion