Bronzing is associated with Fe levels greater than 300 ppm in the leaf blade of
A. Wheat
B. Rice
C. Maize
D. Pea
Answer: Option B
Solution (By Examveda Team)
Bronzing is associated with Fe levels greater than 300 ppm in the leaf blade of Rice at tillering. Iron toxicity is a syndrome disorder associated with a large concentration of reduced iron in the soil solution.Bronzing is restricted to the upper leaf surface and appears as reddish-brown flecking that may uniformly cover the entire leaf surface or parts of it. Affected leaves eventually turn yellow and drop.
Related Questions on Soil Science
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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