X CONTENTS 



PAGE 



Investments in natural reproduction . . 24 



Progress of private forestry . 25 



Reproduction cuttings ... 27 



Classification of the trees in a forest . ,27 



Age-class . . .28 



Size-class ...... 28 



Crown-class . . 28 



The stand . . .30 



Origin of stands . . . . 30 



Form of the stand . .30 



The silvicultural systems . . ,32 



Classification of silvicultural systems . . ,35 

 Systems depending on reproduction by seed . . 35 

 Systems depending on reproduction wholly or partly 

 from sprouts (coppice) ..... 38 



Combination of silvicultural systems ... 38 

 Application of silvicultural systems . . 39 



Choice of species ...... 40 



Pure and mixed stands contrasted . . .42 



CHAPTER II. THE SELECTION SYSTEM , . .41- 



Origin of the selection system .... 44 



Theory of the selection system .... 45 



Principles of limiting the cut .... 48 



The diameter limit ..... 53 



Application of a diameter limit ... 56 



Marking ... ... 57 



Defects of a rigid diameter limit .... 60 



Provision for reproduction . 62 



Protection from windfall . 64 



Cutting small trees for improvement . . 64 



Influence of market conditions . 65 



