Question

What is soil organic matter ? Briefly discuss the role of soil organic matter in the proper functioning of the soil.​

Answer 1

Answer:

Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction, reduces surface crusting, and increases water infiltration into soil. Components vary in proportion and have many intermediate stages

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Answer 2

• it is mainly derived from the dead parts of vegetation and animal plant and animal residuous IT form a very small but important portion 5% of the solid phase of the soil it composition varies with type of vegetation nature of soil population rainfall and temperature condition and the land management practice.
• the role of organic matter in maintain in development and improvement of soil is well known as it in hands microbial activity improves physical condition and fertility of soil and their soil productivity battery capacity prevent to loss of nutrient improve water retention and holding capacity.
• it influence of soil it is affected by climate which decide the nature vegitation.