Biologically Fixed Nitrogen measured by
A. Acetylene Reduction Assay
B. Atomic absorption spectroscopy
C. CHNS Analyser
D. Optical Emisson Spectrophotometry
Answer: Option A
A. Acetylene Reduction Assay
B. Atomic absorption spectroscopy
C. CHNS Analyser
D. Optical Emisson Spectrophotometry
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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