Question

Definition of Manure, Different Types of Manure and the Way It Affects Soil
Define manure. What are the different manures and how do they affect the soil?

Answer 1

Manure can be considered the original fertilizer and an important component for those wishing to practice organic gardening. The most common sources of manure are cows, horses, sheep, pigs, goats, and poultry. By using manure you will be adding important micro and macronutrients to your soil that will be slowly released over time, improve soil aeration and water retention thereby building good soil structure and texture. Having good soil also offers supportive system for beneficial soil organisms and earthworms. Furthermore using manure means you are recycling which removes dependency on chemical fertilizers. Soil Nutrients and Manure Types Manures differ from each other based on source, age, how they were stored (piled, spread, turned over or not), and the animal bedding material, which may be mixed in. For that reason it is difficult to provide precise guidance about how long manure should be aged before use, how much to use, or the expected nutrient content. In general all of these processes affect the nutrient content of manures. The general breakdown in nutrient content which describes the approximate levels of total nitrogen (N), phosphate (P), and potassium (K) that should be found in specific manures. The relatively high nitrogen content makes manure extremely valuable in composting, where it activates soil bacteria and contributes to rapid decomposition of organic matter. This macronutrient also has the greatest potential for soil and water pollution. Nitrates and ammonium can build up in the water table and contaminate water course. Understanding how nitrogen is released into the soil is key to ensuring it is used mindfully. 

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.

➧ Types of Manure are:-
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❱ Green Manure
❱ Farmyard Manure
❱ Compost Manure
❱ Vermi-Compost Manure

➧ 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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