The nitrogen losses in rice can be reduced by placing NH4 fertilizer in
A. Oxidised zone
B. Reduced one
C. Both A and B
D. None of these
Answer: Option B
Solution (By Examveda Team)
Nitrogen losses in any field occur mainly because of ammonia volatilization, denitrification, leaching, agricultural runoff, etc. And as in rice cultivation plantation is submerged type, ammonia based fertilizers are not recommended in flooded rice systems due to potential N loss through denitrification in the anaerobic plough layer.Related Questions on Agronomy
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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