Lecture

Soil Formation

In course

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Description

This lecture explains the process of soil formation, starting with the weathering of rocks due to climate, followed by the dissolution of rock elements by rainwater, the expansion of cracks by temperature fluctuations, and the role of pioneer vegetation in further breaking down rocks. Over time, organic matter accumulates and mixes with mineral matter, leading to the transformation of rock minerals into soil minerals. The lecture also covers the deposition and homogenization of soil layers, the aging of soil, the impact of human activities like landfilling on soil fertility, and the steps involved in soil reconstruction for agricultural purposes.

Instructors (3)

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Official source

https://mediaspace.epfl.ch/media/0_iyomgdod

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