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Manure is the organic matter added to the soil to increase its fertility.

Manure is the organic matter added to the soil to increase its fertility. On the contrary, fertilizers are chemicals that are added to the soil to increase its fertility. Fertilizers might harm the soil, but manure is environment-friendly.

Manure adds nutrients to the soil without affecting its fertility. It does not damage the crops and produces healthy plants. Fertilizers are chemicals which lower the fertility of the soil if used regularly. They also damage the crops and make them unhealthy for consumption.

Ammonium nitrate, a good source of nitrogen is an important ingredient in the production of fertilizers. Nitrogen, phosphorus and potassium are other macronutrients essential present in the fertilizers.

Green manure is the cover crops or plants left in the fields to decompose. These act as manure for the soil.

The NPK fertilizer, if overused, harm the soil. These are often harmful to the soil food web.

When crops are grown one after the other, it decreases the productivity of the soil. However, this can be overcome by adding manures and fertilizers to the soil. This increases the yield of the plants and also restores the productivity of the soil. Therefore, manures and fertilizers are paramount for efficient crop production.

Manure is obtained from the decomposition of dead  plants  and animals. They essentially function as sustenance to the crops. They help in the proper cultivation of crops. Addition of manure enables the soil to hold more water. Organic manures have acids that dissolve the nutrients with soil and make it available to the plants.

The process of adding manures is known as manuring. Manuring should be done at regular intervals, otherwise, the plants become weak. However, the use of manure has many drawbacks too. They can be rather difficult to transport and are not nutrient specific.

A fertilizer is a chemical substance that contains necessary  nutrients  such as nitrogen, potassium, and phosphorous to make the soil fertile. Popular examples of fertilizers are urea, potash, and ammonium sulphate.

However, these are chemicals, and they have the potential to decrease the fertility of soil if used constantly. Furthermore, it also pollutes water bodies. Manures and fertilizers, both are added to increase soil fertility and enhance the growth of the plants, but are distinct in some way or the other. The major difference between the manures and fertilizers are summarized below:

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Manure is obtained naturally by the decomposition of dead plants and animals.

Fertilizers are chemical substances and not typically natural.

It is rich in soil nutrients like nitrogen, phosphorous, and potassium.

It is slowly absorbed by the plants.

It is easily absorbed by the plants.

It provides a lot of humus to the soil.

It does not provide any humus to the soil.

They are prepared naturally in the fields.

They are prepared in the factories.

These do not improve the physical conditions of the soil relatively

These improve the physical condition of the soil.

Does not adversely affect the plant or the soil if supplied in large quantities.

Adversely affects the soil and the plant if supplied in large quantities.