Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

Related Mcqs:

Plant tranquillisers___________________?

A. Hold back stem growth and halt plants at a desired height B. Cause early maturation of plants C. Accelerate ripening of food and grain D. Produce seedless fruit...

Color of nitric acid is light yellow due to the presence of__________________?

A. NO B. NO2 C. N2H5 D. NH3...

Potassic fertilisers__________________?

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...

CaH4(PO4)2 is the chemical formula of ___________________?

A. Superphosphate B. Triple superphosphate C. Calcium phosphate D. Meta phosphoric acid...

Gas based fertiliser plants use_________________?

A. Natural gas as a source of hydrogen B. Natural gas as heating medium C. Coal gas as a source of hydrogen D. Coal gas as heating medium...