The Chemical Fertilizers Used in Agriculture

Chemical fertilizer by entiregrade
Chemical fertilizer by entiregrade


The extra required chemical elements or compounds added in the soil for increasing the fertility of soil are fertilizers.

Types of Fertilizers

There are two types of fertilizers.

1. Organic fertilizers and
2. Inorganic fertilizers or Chemical fertilizers:

1. Organic fertilizers

The fertilizers formed by the decomposition of excreta excreted by animals, leaves of trees, plants, agricultural
waste, dead bodies of animals, hay, stack, etc are called organic fertilizers.

Advantages of Organic Fertilizers:

a. It stores water in the soil as well as increases the fertility of the soil.
b. It protects from soil erosion as well as controls the environment pollution.
c. It does not affect soil even after a long time.
d. It makes vegetables and fruits tasty,
nutritional and healthy.

Disadvantages of Organic Fertilizers:

a. As this fertilizer is in large amounts, the collection, and transportation of it are somehow difficult.
b. It is not soluble in water.
c. It does not contain special types of nutrients.

Inorganic fertilizers or Chemical fertilizers:

The fertilizers prepared by mixing different types of chemical substances are called chemical fertilizers.

Especially, nutrients like nitrogen, phosphorous and potassium are present in these fertilizers.

Also, the fertilizers made by mixing these three types of nutrients are
called NPK fertilizer.

NPK fertilizer provides the required nutrients for the growth and development of plants.
It helps to increase crop production by protecting plants from diseases.

Chemical fertilizers are of three types.

1. Nitrogen-containing fertilizers:
2. Phosphorous containing fertilizers
3. Potassium containing fertilizers

1. Nitrogen-containing fertilizers:

These fertilizers are rich in nitrogen and are added to that soil which contains less nitrogen.

Urea, ammonium sulphate, ammonium nitrate, etc are examples of it.

These fertilizers help for the quick growth of the plants and increase crop production.
It also helps in the high synthesis of chlorophyll and increases the protein and protoplasm.

2. Phosphorous containing fertilizers:

These fertilizers are rich in phosphorous and are added to the soil which has a deficiency of phosphorous.

Ammonium phosphates, calcium superphosphate, amorphous, bone meal, etc are examples of phosphorous-containing fertilizers.

These fertilizers are very helpful in quick root growth and prevent the plants from diseases and also helps in earlier seed formation.

3. Potassium containing fertilizers:

These fertilizers are rich in potassium.
They are added to the soil which has a deficiency of potassium.

Potassium sulphate, potassium nitrate, potassium chloride, potassium carbonate, etc are some examples of potassium-containing fertilizers.

These fertilizers increase the immunity power of the plants.
They help flowers to grow fast and resist diseases.
They also make the stems and roots of plant-strong.

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