| 0.1490| 0.0680 | 0.0482 | 0.1697
|Peroxide of iron | 5.1730| 3.4820 | 4.8700 | 4.6633
|Alumina | 2.1540| 1.8130 | 2.6900 | 3.9070
|Lime | 0.4470| 0.3810 | 0.3616 | 0.5050
|Magnesia | 0.4120| 0.2850 | 0.3960 | 0.9420
|Potash | 0.0650| 0.1650 | 0.3445 | 0.1670
|Soda | 0.0050| 0.0560 | 0.1242 | 0.1920
|Sulphuric acid | 0.0250| 0.0850 | 0.0911 | 0.0160
|Phosphoric acid | 0.4300| 0.1970 | 0.2400 | 0.2680
|Carbonic acid | -- | -- | 0.0500 | --
| |--------|----------|---------|-------
| | 8.8600| 6.5320 | 9.2156 |10.8300
| |--------|----------|---------|-------
|INSOLUBLE IN ACIDS. | | | |
|Silica | 71.3890| 82.5090 | 63.1400 |61.4200
|Alumina | 4.7810| 3.5120 | 11.3500 |10.3400
|Peroxide of iron | trace | trace | -- | 1.5670
|Lime | 0.7520| 0.5500 | 0.4500 | 0.7400
|Magnesia | 0.6610| 0.5500 | 0.6200 | 0.4450
|Potash | 0.2860| -- | 2.4500 | 2.0030
|Soda | 0.4220| -- | 1.3100 | 0.8440
| |--------|----------|---------|-------
| | 78.2910| 87.1210 | 79.3200 |77.3590
| |--------|----------|---------|-------
|ORGANIC MATTERS. | | | |
| | | | |
|Insoluble organic } | | | |
| matter } | 8.8777| 4.2370 | 7.7400 | 6.2910
|Humine | 0.8850| 0.3450 | 0.0700 | 0.0840
|Humic acid | 0.1340| 0.0310 | 0.6800 | 0.3600
|Apocrenic acid | 0.1533| -- | -- | 0.0929
|Water | 2.6840| 1.7670 | 2.7000 | 4.5750
| |--------|----------|---------|-------
| | 12.7340| 6.3800 | 11.1900 |11.4020
| |========|==========|=========|=======
|Sum of all the | | | |
| constituents |100.1169| 100.2960 | 99.8447 |99.8571
|
| AMOUNT OF CARBON, HYDROGEN, NITROGEN, AND OXYGEN
| CONTAINED IN 100 PARTS OF EACH SOIL.
|
|Carbon | 4.510 | 1.3060 | 2.55 | 2.03
|Hydrogen | 0.550 | 0.33