Out of 143 million hectares cultivated area of India irrigated ara is about?
A. 50 million hectares
B. 80 million hectares
C. 100 million hectares
D. 105 million hectares
Answer: Option A
A. 50 million hectares
B. 80 million hectares
C. 100 million hectares
D. 105 million hectares
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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