INDEX. 



391 



Natural regeneration, group system 

 of, 239 

 ,, ,, of woods, 223 



, , , , selection system of, 



243 

 ,, ,, strip system of , 237 



,, ,, the compartment 



or uniform 

 system of, 225 

 ,, ,, under shelter- 



woods, 223 

 Nitric acid, in atmosphere, 11 

 Nitrogen and . oxygen in atmo- 

 sphere, 8 

 Notching, 217 

 Notes on alder, 33(J 

 ,, ash, 325 

 ,, beech, 310 

 birch, 3J0 

 ,, black or Austrian pine, 

 368 

 Corsican pine, 371 

 Douglas fir, 381 

 elm, 328 

 ,, hazel, 351 

 ,, hornbeam, 315 

 ,, larch, 375 



lime-tree, 349 

 maple, 334 

 oak, 319 

 poplar, 346 

 ,, Scotch pine, 363 

 ,, silver fir, 353 

 spruce, 358 

 sweet chestnut, 331 

 sycamore, 334 

 ,, Weymouth pine, 372 

 ,, willow, 343 

 Number of plants per acre, 181 



,, trees ,, 61 



Nurseries, area of, 193 



,, choice of site, 193 



,, laying out of, 198 



,, manuring of, 196 



, , preparation ofsoilof,195 



,, pricking out, 202 



Nurseries, quality and quantity of 

 seed, 201 

 raising plants in, 192 

 sowingthe seedbeds, 199 

 tending seed beds and 

 nursery lines, 206 



O. 



Oak, notes on, 319 

 Objects of management, 1 

 Organic matter in soil, 27 

 Origin of soil, 24 



Oxygen and nitrogen in atmo- 

 sphere, 8 



P. 



Palings, wooden, 124 

 Partial sowing, 162 

 Pasture and forestry, 107 

 Peat bogs, treatment of, 138 

 Physical properties of soil, 29 

 Planting, 169 



, , conditions of success, 1 69 



density of, 1 74 

 ,, notching, 217 

 ,, of slips, layers and 



suckers, 220 

 ,, on mounds, 219 

 ,, season of, 173 



with balls of earth, 210 

 ,, hoe or spade, 211 

 , , without balls of earth ,211 

 ,, with peg or staff, 214 

 Plants, age and size of, 172 

 ,, different kinds of, 170 

 ,, distribution of, over the 



area, 175 

 .. lifting of, 183 



number of, per acre, 181 

 protection of, in transit, 188 

 pruning of, 186 

 purchase of, 190 

 quality of, 171 

 raising of, 190 



