108 



part of the poriodic block to be regenerated during tli3 first 

 period, tbougb the ord t in wbiob tbe compartments should 

 be taken up for regeneratlDii is usually iudicated. Sel ection 

 fellings and tlunnings are prescribed by area in tUe usual 

 manner. 



The order to bj foUowel and the nature of the fellings to 

 be made require no further explanation. 



5. modifications of the mixed method. — Several modifications 

 hive been introduced in France into tiie application of 

 the method of successive fellings. The piincipal of these 

 oonsists in t'le establishment from the first of annual coupes, 

 instead of leaving th3 position of the coupes to be fixed 

 from year to year by the controlling officers, according to 

 cultural requirements. The whole area is divided off into 

 as many permanent annual coupes as there are years in the 

 exploitable age. The coupes are made fairly equiproduc- 

 tive, by deduct'on of blanks and by assessing the fertility 

 of the great natural divisions of the forest in the manner 

 already explained for coppice. The coupes being formed, 

 the prepavatory or s^ed fellings are then prescribed by 

 <xrea, one of the coupes being taken in hand each year fo." 

 this purpose. The same system is followed witli regard 

 to the thinning.^ and cleanings, which are made by area 

 ill re.?ul.ir succession in one of tKe annual coupes. But the 

 basis of area has to be sDmewhat departed from as regards 

 the secondary and final fellings which depend on the state 

 of reproduction and on the development of the seedling 

 ■crops. These fellings must be regulated by volume ai^ in 

 Ihe oM method, and for this purpose the coupes in the 

 block under regeneration are grouped togetlier, and the 

 volume to be felled each year in this block is then calculated 

 in the manner already explained. 



6. Application of the method of successive regeneration felliug-s 

 to irregular crops. — None of our Indian forests could be sub- 

 j'cted directly, in their present conditi)n, to the methol of 

 successive feliing-i, as they do not as yet contain definite 

 groups of age-olasses. Sliould it be decided to apply the 

 method to any of these forests, it will, therefore, first be 

 necessary to ^ra««/o)'m the crop into one of the tvpe required, 

 that i-! t ) say, one containing a regular series of age-classes. 

 For tills purpose the fipsb thing to be done is to lay do vn 

 the general frame-work of the plan according to the meUiod 

 of successive fellings which it is hoped eventually to apply. 



