Question

Farmers are advised by experts to use more of manure than fertilizers. Why?

Answer 1

Explanation:

Manure improves the water holding capacity, aeration, and texture of the soil. These lead to the development of a new method of farming called organic farming where only organic fertilizers, pesticides, etc. are used.

Fertilizers are chemical compounds which include salts or organic compounds like urea, ammonium sulfate, sodium nitrate etc. They are the sources of plant nutrients like potassium, nitrogen, and phosphorus. Fertilizers are commercial products mainly manufactured in factories. They have enhanced the yield spontaneously.

Chemical fertilizers should be used in optimum amount with great care. Their excess use may lead to soil infertility, water pollution, and even cause disease. Overall, it damages the crop. Hence it is advisable to use organic manure instead of chemical fertilizers.

Following are the important difference between fertilizer and manure:

Fertilizer

It may be artificial or natural substance.

These are chemicals that are added to the soil to increase its fertility and productivity.

Prepared in factories.

Does not provide humus to the soil.

Rich in plant nutrients.

Absorbed by plants quickly.

Costly

It harms the organisms present in the soil and also causes health issues in people consuming the crop.

Manure

It is a natural substance.

These are obtained by dead and decaying plants and animals.

Prepared in fields.

Provides humus to the soil.

Less rich in plant nutrients.

Absorbed by plants slowly.

Cost-effective

It causes no harm to the organisms and improves soil quality.

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Answer 2

Answer:

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Manure improves the water holding capacity, aeration, and texture of the soil. These lead to the development of a new method of farming called organic farming where only organic fertilizers, pesticides, etc. are used. ... Hence it is advisable to use organic manure instead of chemical fertilizers.

Explanation: