631.4/D.P

PEDOLOOGY

Pedogenesis and classification

p.Duchaufour

Contents

Part 1:THE PHYSICOCHEMICAL PROCESSES oF PEDOGENESIS  Introduction and definitions

Weathering and clay formation.

The dynamics of organic matter.

The movement of material within soils.

General principles of the origin and development of soils.

Part 2:PEDOGENESIS: THE BASIS OF SOIL CLASSIFICATION.

Soil classification.

Immature soils and soils with little profile differentiation.

Calcimagnesian soils.

Soils with matured humus: isohumic soils and vertisols.

Brunified soils.

Podzolised soils.

Hydromorphic soils.

Sesquioxide-rich soils.

Salsodic soils.

Prep./Asmaa Ahmed
Manage./Huda Hosney