48 PLANTING. 



The great importance of precision in the nomenclature of soils, whether 

 in the details of planting or in husbandry, must be so clear and evident 

 to every person \\tio may be desirous to profit by the results of others' 

 experience in these subjects, that it would be superfluous here to add more 

 on the point. 



1st. Heath soil, or siliceous sandy moor soil, incumbent on shale or 

 ferruginous stones, and frequently on siliceous sand of great depth. 



IIM) parts consisted of fine siliceous sand . . 320 



Carbonate of lime . ... 



Carbonate of magnesia . 1 



Decomposing vegetable matter, chiefly composed of the de- 

 caying leaves of heath . . .55 

 Silex, or impalpable earth of flints . . .11 

 Alumina, or pure matter of clay . .3 

 ( )\i<le of iron . . . 4 

 Soluble matter, principally common salt, or muriate of soda . 4 



400 



The Scotch fir, Pinus sylvestris, the birch, and the beech, are found to 

 succeed better on a soil of the above description than any other kind of tree. 

 For the latter, however, it is necessary that the subsoil should be a deep 

 sand. The larch and spruce, under the like circumstances as to subsoil, 

 will also attain to good perfection on heath soil ; but where the subsoil is 

 rocky, or impervious to a free circulation of moisture by indurated sand, 

 which is sometimes the case, these last-mentioned trees never succeed ; the 

 Scotch fir only maintains its growth. 



2nd. 400 parts of poor sandy soil, incumbent on shale, or very coarse 

 gravel. 



Fine sand, principally siliceous . . . 360 



Impalpable earthy matter, 40 consisting of carbonate of lime . 



Decomposing vegetable matter, destructible by fire . 4 



Silex, or pure earth of flints . . . 22 

 Alumina, or pure matter of clay 



Oxide of iron . . . .5 



Soluble saline matters, chiefly muriate of soda . . 2 



400 



The pine, larch, spruce, birch, and sycamore are the most proper for 

 this kind of soil. 



3rd. Sandy loam, incumbent on siliceous sand, containing a large 



tion of oxide of iron. 100 parts. 



I ml, partly calcareous, and partly siliceous . 200 



Coarse sand . . . . .84 



(mate of lime . ... 6 



imposing vegetable matter . . 15 



the earth of Hints . . .56 



"iua . . . .12 



Oxide of iron . . 5 



Soluble vegetable matter, containing sulphate of potash, 



tract, and common salt . . .4 



Loss % . . .24 



400 



