Question

How do chemical fertilizers affect the soil harmfully? (give 5-6 points)

Answer 1

Chemical fertilizers affect the soil by:
They affect the chemical composition
They don't allow healthy growth of plants
They might change the equilibrium between the plant and soil
They make the soil infertile
They decrease nitrogen content in soil

Answer 2

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Fertilizers➫ A chemical or natural substance added to soil or land to increase its fertility.

Manure➫ A fertilizer made from animal waste.

➧ It better to use compost than chemical fertilizers because:-
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❱ It is easier to prepare.
❱ It is environment friendly.
❱ It is cheap.
❱ It less harmful.

➧ Advantage of Fertilizers:-
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❱ They they improve the structure of the soil.

❱ It increase its ability to hold water and nutrients.

❱ They improve water movement into the soil.


➧ Disadvantage of Fertilizers:-
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❱ It leads to eutrophication.

❱ It effects on waterways caused by chemical run off of the excess fertilizer. 

❱ They grow plants but do nothing to sustain the soil.

❱ It can cause:-

♦ Cardiac Disease
♦ Several Cancers
♦ Respiratory Ailments

➧ Types of Fertilizers are:-
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[1] Complete inorganic fertilizers:-

❱ These types of inorganic fertilizers contain all three major macronutrients:-

♦ Nitrogen (N)
♦ Phosphorous (P)
♦ Potassium (K)

[2] Special purpose fertilizer:-

❱ These types of fertilizer are formulated especially to target certain plants' requirements or certain soil deficiencies.

➧ Benefits of Compost & Chemical Fertilizers:-
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❱ It helps to decontaminate soil.

❱ They improve the structure of the soil.

❱ They increase soil ability to hold water & nutrients.

❱ They provide a healthy medium for plant growth.

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