The capacity of a soil to resist appreciable change in pH value is called
A. Anion-exchange capacity
B. Buffering capacity
C. Percentage base saturation
D. Cation-exchange capacity
Answer: Option B
A. Anion-exchange capacity
B. Buffering capacity
C. Percentage base saturation
D. Cation-exchange capacity
Answer: Option B
Downy Mildew of Bajra caused by
A. C. fusiformis
B. S. graminicola (Sclerospora)
C. T. penicillica
D. All of the above
The criteria of essentiality of nutrients in plants was given by
A. D. J. Nicholas
B. Arnon and Stout
C. J. S. Kanwar
D. M. S. Swaminathan
A. Manganese
B. Boron
C. Zinc
D. Iron
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