Write one advantage and one disadvantage of using manure and fertilizer.
Answers
Answer:
Manures are obtained from natural sources, whereas fertilisers are synthetically manufactured in the factories. Manures are eco-friendly, whereas fertilisers harm the useful microbes present in the soil and also decrease the soil fertility if used for a longer time.
Explanation:
Advantages of Manure
It increases the water-holding capacity of the soil.
It makes the soil porous and facilitates the exchange of gases.
The texture of the soil improves.
The number of microbes increases in the soil.
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.
Difference between Manures and Fertilizers
Manures Fertilizers
Manure is obtained naturally by the decomposition of dead plants and animals. Fertilizers are chemical substances and not typically natural.
It is not very rich in nutrients. 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.