Question

Observation of effect of chemical fertilizer on the soil

Answer 1

Chemical fertilizers have aided farmers in increasing crop production since the 1930's. While chemical fertilizers have their place increasing plant nutrients in adverse weather conditions or during times when plants need additional nutrients, there are also several harmful effects of chemical fertilizers. Some of the harm chemical fertilizers may cause include waterway pollution, chemical burn to crops, increased air pollution, acidification of the soil and mineral depletion of the soil.

Answer 2

Explanation:

1. Excessive use of fertilizers could hamper the natural content of the soil resulting in degeneration of the quality of the soil.

2. The over-use of chemical fertilizers can lead to soil acidification because of a decrease in organic matter in the soil.

3. Nitrogen applied to fields in large amounts over time damages topsoil, resulting in reduced

crop yields.

4. Sandy soils are much more prone to soil acidification than are clay soils. Clay soils have an ability to buffer the effects of excess chemical fertilization.

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