Whicih of the following is not inorganic insecticides?
Those fertilizers which are obtained from the living source are known as ______.
All those substances which are rich in nutrients for plants and that are added in soil to enhance the fertility of soil are called ______.
Ammonium nitrate is a ______.
An organic substance obtained from the decomposition of animal remains, poultry droppings and dead plants is called ______.
The complete fertilizers are also called ______.
Fertilizers which contain all the three nutrients i.e. nitrogen, phosporus and potassium as primary plant nutrients are called ______.