Bio-fertilisers are cheaper, renewable and pollution free. They improve the ____
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.
Which of the following fertilisers is used as a cattle feed?
Which of the following fertilisers is used as a cattle feed?
Hydrogen content of coke oven gas is __________ percent.
Hydrogen content of coke oven gas is __________ percent.
Rock phosphate used for the production of phosphatic fertiliser is mined at
Rock phosphate used for the production of phosphatic fertiliser is mined at
Heating of orthophosphoric acid to 250°C produces
Heating of orthophosphoric acid to 250°C produces
__________ is the most suitable fertiliser for paddy.
__________ is the most suitable fertiliser for paddy.
Ammonium phosphate is a __________ fertiliser.
Ammonium phosphate is a __________ fertiliser.
Excessive use of chemical fertilisers causes shrivelling of the roots and wiltin
Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the
Which of the following is not a commercially used feed-stock for the production
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
__________ catalyst is used in the production of urea from CO 2 and NH 3 .
__________ catalyst is used in the production of urea from CO 2 and NH 3 .
Which of the following does not come under the category of’primary nutrient’ for
Which of the following does not come under the category of’primary nutrient’ for plant growth?
Nitrolime is chemically known as
Nitrolime is chemically known as