Stochastic modeling of soil condition during tillage

E. Roytburg, J. Chaplin

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations


The purpose of tillage is to manipulate soil from an initial soil condition into a desired soil condition by the application of a tillage implement. Soil conditions should be altered with the smallest expenditure of energy required to operate the tool, and the final soil condition must be acceptable. This chapter summarizes previous work on the soil tillage modeling, and describes a proposed stochastic model. Based on the discussion about using dynamic soil properties when modeling changes in soil physical condition during tillage, it is appropriate to present models developed using a dynamic parameter, namely, soil resistance force. This is a force which opposes the forward movement of a tillage tool, and is cyclic in nature because of the development of major shear failures in the soil. Soil-stress characteristics during failure can be used to solve equations of stresses and strains developed when an implement is operated in a given soil body.

Original languageEnglish (US)
Title of host publicationSite-Specific Management for Agricultural Systems
Number of pages19
ISBN (Electronic)9780891182603
ISBN (Print)9780891181279
StatePublished - Sep 1 1995

Bibliographical note

Publisher Copyright:
© 1995 by the American Society of Agronomy, Inc.


  • Desired soil condition
  • Dynamic soil properties
  • Final soil condition
  • Initial soil condition
  • Soil physical condition
  • Soil resistance force
  • Soil tillage modeling
  • Soil-stress characteristics
  • Stochastic model


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