Includes bibliographical references and index.

Heterogeneity in fields: basics of analyses -- Sensing by electromagnetic radiation -- Precision in guidance of farm machinery -- Sensing of natural soil properties -- Sensing of crop properties -- Site-specific soil cultivation -- Site-specific sowing -- Site-specific fertilizing -- Site-specific weed control -- Site-specific sensing for fungicide spraying -- Site-specific recording of yields -- Fusions, overlays and management zones -- Summary and properties.