Maximum yield of mustard is obtained at a plant geometry of
A. 45 × 20 cm
B. 60 × 30 cm
C. 90 × 30 cm
D. 105 × 30 cm
Answer: Option A
A. 45 × 20 cm
B. 60 × 30 cm
C. 90 × 30 cm
D. 105 × 30 cm
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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