1.

What is the disadvantage of using chemical fertilisers in modern agriculture system?

Answer»

Explanation:

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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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Thanks...✊



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