Question: Which of the following is not true for fertilizers?
A They increase the yield.
B Their excessive use disturbs the balance of nutrients in the soil.
C They are generally used in small quantity
D They are environment-friendly
Answer: They are environment-friendly
| Advantages of fertilizers
| Disadvantages of fertilizers |
| · Enhances soil fertility and provides essential nutrients to plants, promoting healthy growth. | · Fertilizers, if not managed properly, can contribute to soil, water, and air pollution thus they are not environment friendly. |
| · Boosts agricultural productivity, enabling farmers to meet food demands for growing populations. | · Dependency on fertilizers may lead to decreased soil organic matter and microbial activity over time. |
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· Facilitates the growth of high-yielding and profitable crop varieties. | · High costs of fertilizers can be a financial burden for small-scale farmers. |
| · Provides a rapid and easily accessible source of nutrients to plants, addressing immediate nutrient deficiencies. | · Rapid nutrient release may result in nutrient leaching, runoff, and environmental pollution.
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· Fertilizer application is generally done in small quantities, preventing excessive nutrient buildup.
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· Continuous fertilizer use may make plants more susceptible to certain pests and diseases.
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· Provides essential nutrients to plants. |
· Unsustainable or excessive fertilizer use can harm natural ecosystems, including water bodies and aquatic life.
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· Enhances agricultural productivity. |
· Excessive use of fertilizer can lead to nutrient imbalances in the soil, negatively affecting plant health. |