Improvement  of  Land  by  Warping. 
105 
Water • • • U-000 
Roots,  vegetable  fibre,  pieces  ot  partly  I 
decomposed  wood,  &c > 
Sand  . 18-352 
Stones few  or  none, 
Fine  earth  (anhydrous)  ....  30*439 
Soluble  saline  matters  ....  0-208 
) Ash  .... 
(Organic  matters 
15-246 
24-755 
(Inorganic  substances  19-054 
(Organic  matters  . 11*385 
100-000 
Water 
Pure  sand 
Organic  matters,  insoluble  in  water  . 
Organic  matters,  soluble  in  water  . 
'Chloride  of  calcium 
• 36-3468 
Soluble  saline  matters 
directly  extracted 
from  the  soil  by  I 
water,  0-1401. 
From  the  incinerated 
wood,  &c.,  2-  7759. 
Chloride  of  magnesium 
Chloride  of  sodium  . 
Chloride  of  potassium 
Sulphate  of  magnesia  . 
Sulphate  of  soda  . 
Carbonate  of  soda* 
Carbonate  of  potassa* 
Alkaline  phosphates*  . 
Carbonate  of  lime  . . 
Carbonate  of  magnesia 
Sulphate  of  lime  . . 
Lime 
Magnesia  .... 
Oxide  of  iron  and  alumina 
Perphosphate  of  iron  . . 
Insoluble  siliceous  residue 
11-0000 
18-2140 
36-2789), 
00679)' 
0-0339 
some. 
0-2716 
0*0216 
0*0353 
0- 1665 
0-8182 
1- 5689 
traces. 
1-8514 
traces. 
1-6799 
0-2312 
0-0462 
9-2789 
evident  traces. 
18-4366 
100-0000 
100  parts  of  the  anhydrous  soil  contained  1*2660  grains  of 
nitrogen  = 1 * 5380  of  ammonia. 
D.  Analysis  of  the  Crops. -j- 
I. — Horse-beans  ( Vida  f aba , or  Faba  vulgaris,  var.  /3). 
Sulphuric  acid  . . 
Phosphoric  acid  . 
Potash  .... 
Soda 
Chloride  of  sodium  . 
Chloride  of  potassium 
Lime 
Magnesia  .... 
Alumina  . . . . 
Oxide  of  iron 
Oxide  of  manganese  . 
Silicic  acid  .-  . . 
a. 
/3. 
7* 
2-650 
1-340 
1-660 
36-099 
37-940 
35-670 
39-110 
25-456 
20-820 
46-190 
32-710 
20*675 
17-744 
# , 
12*750 
2-101 
2-467 
, . 
, 0 
, . 
1-500 
3-065 
7-260 
5-330 
4*720 
9-861 
8*870 
8-980 
6-130 
traces. 
. # 
. . 
0-061 
1-030 
, , 
0-660 
traces. 
, , 
. . 
. . 
0-032 
2-460 
0-510 
0-470 
100-000 
99-931 
100-S40 
96-550 
* Principally  contained  in  the  ashes  produced  by  the  incineration  of  the  unde- 
composed wood. 
f To  prevent  misunderstanding,  I ought,  perhaps,  to  remark  here,  that  in  the  pre- 
