Wheat crop yielding 50 quintals of grain per hectare removes N, P2O5 and K2O kg/ha, respectively
A. 100-150, 70-80 and 125-150
B. 90-100, 60-70 and 100-110
C. 120-40 and 60-80
D. 80-30 and 40-20
Answer: Option A
A. 100-150, 70-80 and 125-150
B. 90-100, 60-70 and 100-110
C. 120-40 and 60-80
D. 80-30 and 40-20
Answer: Option A
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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