A. 30-35
B. 15-20
C. 65-70
D. 85-90
P2O5 content in superphosphate is about _____________ percent? Read More »
Fertilizer Technology A. K2O
B. SiO3
C. V2O5
D. U2O3
Promoter used in NH3 synthesis catalyst is__________________? Read More »
Fertilizer Technology A. Very high pressure
B. Atmospheric pressure
C. Room temperature
D. > 600°C
Maximum stability of white phosphorous is at__________________? Read More »
Fertilizer Technology A. Are useful during early stage of the plant growth
B. Stimulate early growth and accelerate seeding
C. Help in development of starches of potatoes and grain
D. None of these
Potassic fertilisers__________________? Read More »
Fertilizer Technology A. CAN
B. Ammonium sulphate
C. Ammonium nitrate
D. Superphosphate
Which is the most suitable fertiliser for paddy ? Read More »
Fertilizer Technology A. Pt
B. K2O
C. Al2O3
D. Ni
Catalyst used in ammonia synthesis uses ____________ as a promoter? Read More »
Fertilizer Technology A. Coke oven
B. Producer
C. Natural
D. Coal
A. During the early stage of growth to promote development of stem and leaves
B. For accelerating fruit formation in later stage of growth
C. To lessen the effect of excessive potash application
D. None of these
Nitrogenous fertiliser is required__________________? Read More »
Fertilizer Technology A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
Ammonia synthesis reaction is______________________? Read More »
Fertilizer Technology A. 38
B. 68
C. 82
D. 98
