Fertiliser Technology
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

Baroda (under G.S.F.C.)
Rourkela (under SAIL)
Sindri (under FCI)
Bokaro (under SAIL)

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Fertiliser Technology
Plant tranquillisers

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

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