The presence of humus in the soil loosens the structure of the soil.

Question

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Humus is a dark organic material that is formed from the breakdown of plant and animal matter. It is an important component of soil, as it helps to improve soil structure by making it more friable and less compacted. Humus is able to bind together soil particles, which creates a soil structure that is more permeable to water and air. By loosening the structure of the soil, humus helps to improve soil fertility, as it allows plant roots to penetrate deeper into the soil and access the nutrients and water they need to grow.

The Presence of Humus in the Soil Loosens the Structure