|------------------------------------------|------------------- | | Mid-Lothian. | Perthshire. |----------------------|-------------------|------------------- | | Soil. | Subsoil. | Soil. | Subsoil. |----------------------|--------|----------|---------|--------- |SUBSTANCES SOLUBLE | | | | | IN WATER. | | | | |Silica | 0.0149 | 0.0104 | 0.0072 | 0.0461 |Lime | 0.0300 | 0.0072 | 0.0184 | 0.0306 |Magnesia | 0.0097 | 0.0016 | 0.0040 | 0.0034 |Chlor. of magnesium | -- | -- | -- | 0.0033 |Potash | 0.0034 | 0.0037 | -- | -- |Soda | 0.0065 | 0.0049 | -- | -- |Chloride of potassium | -- | -- | 0.0088 | 0.0080 |Chloride of sodium | -- | -- | 0.0110 | 0.0166 |Sulphuric acid | 0.0193 | 0.0124 | 0.0089 | 0.0239 |Chlorine | trace | trace | -- | -- |Organic matters | 0.1481 | 0.2228 | 0.0608 | 0.1342 | | -------|----------|------------------- | | 0.2319 | 0.2630 | 0.1191 | 0.2661 |----------------------|--------|----------|---------|--------- |SOLUBLE IN ACIDS. | | | | |Silica | 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 } | | | |