New ideas and developed technologies in agricultural occupation depend to a large extent on scientific research results and diversity which are responsible for increased agricultural production. The dynamic nature of agricultural operations and machine complexity are indices of such scientific research diversity as evident in the widespread requirements in agricultural operation if increased production must be sustained. Hence, this book presents the most concise research documentation in agricultural soil dynamics, land preparation practices, crop planting operations and machinery required in each operation. In this nine-chapter book, the basic concepts of agricultural soil dynamics, forces acting on traction equipment, soil-machine-plant interactions, various models for predicting forces in earthmoving machinery and reactions, the nature of agricultural soils, mechanical behaviour, performance characteristics as well as forces acting on traction machines were presented. Other inclusions are various agricultural practices, tillage practices, and performance characteristics, crop planting machinery, practices, machinery as well as crop maintenance and post-planting operations such as crop thinning, weed control and fertilizer/chemical application and equipment were discussed. Including concepts of safety and maintenance of these machinery.