| ORIGIN, COMPOSITION AND PROPERTIES OF THE MINERAL PART OF THE SOIL.
IV.1. Source and composition of organic matter in the soil…………………….38
IV.2.Erosion of rocks and minerals……………………………………………...39
IV.3.Erosion of rocks and minerals………………………………………………40
CHAPTERV.
SOIL STRUCTURE AND PHYSICAL PROPERTIES OF SOIL.
V.1. The concept of soil structure………………………………………………..43
V.2. Types of soil structure and formation of structure…………………………43
V.3. Agronomic significance of the structure……………………………………45
V.4. Causes of structural failure and its restoration………………………………46
V.5.Maximum molecular moisture capacity……………………………………..49
V.6.The composition of soil air. The role of O2 and SO2 in soil processes and plant life………………………………………………………………………….50
V.7.Breathing of soil. Gas exchange between soil and atmospheric air………….52
V.8. Air permeability of soil………………………………………………………53
V.9.Thermal properties of soil and thermal regime………………………………56
V.10. Thermal conductivity of soil………………………………………………59
V.11. Soil colloids, its formation and composition, structure of soil colloids, conditions of soil colloids…………………………………………………………63
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