Question

What are the demerits of using chemical fertilizers ?class 9 economics​

Answer 1

Explain the disadvantages of using chemical fertilisers

Chemical fertilizers destroy the friability of soil.

Chemical fertilizers affect micro-organisms living in the soil.

Chemical fertilizers leach away into our ground water without fully benefiting the plant.

Chemical fertilizers produce fruits and vegetables with lower nutritional value and less flavor.

Answer 2

Explanation:

(i) Due to increased use of chemical fertilisers the soil fertility decreases. Chemical fertilisers pollute the groundwater, rivers and lakes.

(ii) The continuous use of chemical fertilisers has led to degradation of soil health. Environmental resources like soil fertility and groundwater are built up over many years. Once destroyed it is very difficult to restore them.

(iii) We much take care of the environment to ensure future development of agriculture.

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