The Isolated State in Relation to Agriculture and Political Economy

Preface; P.A.Samuelson Foreword to the English Translation; F.Tack Johann Heinrich von Thünen's Contribution to the Forestry Economics: A Brief Introduction to Part III of the Isolated State; U.van Suntum PART I: Timber Yield Timber Value The Determination of the Value of Pinewood Stock of a Given Age The Determination of the Value of Timber Stocks of Differing Rotation Periods The Rent of the Woodland Floor Calculations Related to the Rotation Period Thinning Out The Rent of Woodland in Comparison with Ground Rent Underwood or Brushwood The Influence of the Yield in Value of Thinnings on the most Advantageous Rotation Period and on Ground Rent The Thinning Methods Employed by Chief Forester Nagel Ground Rent and Rotation Period from Pollination, if Thinning Removes Half the Wooded Growth Comparison of the Two Methods, in Which Thinning Removes A. One Third of Annual Timber Growth, B. Half of this Growth PART II: How Great Does the Space Around each Tree Need to be in Relation to its Diameter if the Annual Growth in Value of the Entire Woodland is to Achieve a Maximum? The Growth of Individual Trees in Diameter and in Physical Volume Calculation of the Portion of the Growth to be Removed in Thinning Criticism Ground Rent and the Most Advantageous Rotation Period, if Only 1/3 of the Growth is Left in the Remaining Stock PART III: What is the Relationship Between the Growth of the Tree and the Space Which Each Tree Has? Calculation of Total Growth Ground Rent and Most Advantageous Rotation Period for Different Degrees of Distance of Trees from One Another What Part of the Timber Reserve is at Different Ages Removed in Decennial Thinnings? Deviation of the Results of Our Calculation from Reality Comparison of the Ground Rent of Woodland With That of Arable Land Applications Continuation Epilogue: A Chronicle of Editing the Isolated State; R.Schwarze Glossary