INVESTIGATIONS IN WHITE PINE PLANTATIONS. 



21 



The following tables present the results of measurements of white 

 pine and of red pine made on representative areas: 



TABLE 7. Growth of planted white pine, Moultonboro, N. H. 



PLANTATION OF ISAAC ADAMS. 

 [Based on 695 trees 30 years planted.] 



Table 7 presents measurements which illustrate the general rate of 

 growth of the plantation. The average height rate is a little less than 

 1 foot per year, and the diameter rate about 1 inch in 7 years. 



Table 8 following shows the growth of 30-y ear-planted red pine on 

 a representative area. 



TABLE 8. Growth of planted red pine, Moultonboro, N. H. 

 PLANTATION OF ISAAC ADAMS. 

 [Based on 61 trees 30 years planted.] 



To determine the rate of annual growth of the planted in compari- 

 son with the native trees, a large number of measurements were taken 

 in and near the Moultonboro plantation. The results are presented in 

 the two following tables. Table 9 shows the annual height growth of 



