As a natural source of nutrient, manure is used to provide nourishment to the plants. But the nourishment given can be less. Why?
Manure is made up of organic waste, which may not have all the nutrients.
Manure is an organic fertilizer that is made up of animal waste, dead plants and organic waste from the house.
The raw material used to make manure may have certain nutrient in lesser amount due to which the nourishment provided can be lesser.