3.  The term Fertilizer
refers to mineral
Fertilizers and
organic Fertilizers.
 The main Objective of
Analyzing Fertilizers
is to assess their
Quality
 Fertilizer quality is
notify in terms of
physical and chemical
Characteristics.

4.  Moisture:
Method of Water of
Crystallization
Chemical involved in
it is Sulphuric Acid

5.  Gravimetric Method :
1) It is also called as
Oven-Drying Method
2) Chemicals involved in
it is Ammonium
Sulphate and Sodium
Nitrate.

6.  The Urea form of N Can be Estimated together
with total N by digestion of Sulphuric Acid.