What is fertility?Explain.
Answers
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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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