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Karnataka Board PUCPUC Science 2nd PUC Class 12

Find out the role of microbes in the following: Soil

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Questions

Find out the role of microbes in the following:

Soil

Find out the role of microbes in the following and discuss it with your teacher.

Soil

Very Long Answer
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Solution

Microbes are highly useful in maintaining and restoring soil fertility. Soil fertility is determined by its chemical structure and the number and quality of beneficial bacteria. Furthermore, we add biologically derived elements to improve and maintain fertility when the soil’s composition is inadequate and fertility is low. These materials are classified into two basic categories: waste and biofertilisers. We classify wastes into three types: farmyard waste, compost, and green waste. Farmyard waste is the oldest dung known to human beings, consisting of farm animal excrement and plant remains, among other things, that are allowed to partially decompose with the help of soil micro-organisms. These microbes degrade complex organic waste into a dark, amorphous substance known as sludge, which plants can easily consume. Fertiliser dissolves in the soil, improves aeration, and makes it grow better. Biofertilizers are microorganisms that restore soil nutrient levels while maximising ecological benefits and reducing environmental risks.

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Chapter 8: Microbes in Human Welfare - EXERCISES [Page 160]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 8 Microbes in Human Welfare
EXERCISES | Q 13. (b) | Page 160
Nootan Biology [English] Class 12 ISC
Chapter 10 Microbes in Human Welfare
NCERT EXERCISES WITH ANSWERS | Q 13. (b) | Page 506

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