A new chapter in this edition explores no-till and hoe-till methods, cover crops, and crop rotations to improve soil health. 3. Soil Management and Classification

Covers the soil colloidal system, cation and anion exchange capacity, and soil reaction (pH), which influences nutrient availability.

Examines the rock cycle, weathering processes, and the five factors of soil formation (parent material, climate, topography, biota, and time).