Question

What is manure?
Write about advantages and disadvantages of fertilisers?​

Answer 1

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Manure:

• Manure is organic matter that is used as organic fertilizer in agriculture. Most manure consists of animal feces; other sources include compost and green manure.

Fertilizers have the following disadvantages:

• They are expensive.
• The ingredients in the fertilizers are toxic to the skin and respiratory system.
• Excessive use of fertilizers damages the plants and reduces soil fertility.
• Leaching occurs and the fertilizers reach the rivers causing eutrophication.

Fertilizers have the following Advantages:

• Fertilizers replace the nutrients that crops remove from the soil.
• Without the addition of fertilizers, crop yields and agricultural productivity would be significantly reduced.
• That's why mineral fertilizers are used to supplement the soil's nutrient stocks with minerals that can be quickly absorbed and used by crops.

Answer 2

Answer:

Manure :

Manure is organic matter that is used as organic fertilizer in agriculture. Most manure consists of animal feces; other sources include compost and green manure.

Fertilizers have the following disadvantages:

• They are expensive.
• The ingredients in the fertilizers are toxic to the skin and respiratory system.
• Excessive use of fertilizers damages the plants and reduces soil fertility.
• Leaching occurs and the fertilizers reach the rivers causing eutrophication.

Fertilizers have the following Advantages:

• Fertilizers replace the nutrients that crops remove from the soil.
• Without the addition of fertilizers, crop yields and agricultural productivity would be significantly reduced.
• That's why mineral fertilizers are used to supplement the soil's nutrient stocks with minerals that can be quickly absorbed and used by crops.