REPORT ON FORESTS. 299 



Nitrogen. Phos. Acid. Potash. Lime. 



■Very poor s^ils 0.05 % o.oi % 0.05 % o.io fo 



Poor soils 005-0.10 0.01-0.05 0.05-0.10 . . . 



Medium, o.io 0.05-0.10 0.10-0.20 i.oo 



Rich, 0.10-0.20 0.10-0.20 0.20-0.30 . . . 



Very rich, 0.20 up 0.20 up 0.30 up 2.00 



According to this the treeless Plains, as far as the soil is con- 

 cerned chemically, except in the quant^y of lime, if these analy- 

 ses are correct, have a first-class pine soil. The soil of the Jersey 

 Plains contains the following ingredients : 



Sample X. Sample II, 



Nitrogen, 0.06 0.03 



Phosphoric acid, 0.07 0.065 



Potash 0.05 o 02 



Lime 0.06 0.02 



Silica, insol., 96.40 96.95 



Alumina, 1.15 0.28 



Ferric oxide 0.40 0.20 



Ferrous oxide 1.26 1.06 



.Magnesia 0.04 o 02 



According to Smets, the soils of the Campine contain the fol- 

 lowing proportions of ingredients : 



According to these analyses, even the Plains of South Jersey, 

 if ploughed and worked, then planted with a leguminous crop, 

 then ploughed again and limed and then planted with pines, 

 would probably produce a good crop, provided the soil is not 

 too dry. Very often a leguminous crop, such as cow-peas, may 

 not take the first trial owing to the absence of bacteroids in the 

 soil so that several attempts may be necessary. This probably 

 -would not pay, but it would be an interesting experiment. It 



