National Bureau of Soil Survey and Land (NBSSLP) was set up in
A. 1976
B. 1959
C. 1986
D. 1974
Answer: Option A
A. 1976
B. 1959
C. 1986
D. 1974
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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