Along with basic slag, potash salts have been frequently used for grass on light land with advantage.
It should never, for example, be used along with basic slag.
It was also found that a manganese compost did not increase production when phosphatic manure was applied as basic slag.
The chemist's test which is fair for acid phosphate is admittedly not fair when used for basic slag.
If basic slag and kainit are given, autumn is the time, as their action is slow.
The danger is wholly imaginary if no form of lime, wood-ashes, or basic slag is used in the home-mixtures.
Soot dusted over the beds is beneficial, and so is a dressing of basic slag in the autumn.
The basic slag, kainit, and superphosphate may be also applied at the seasons mentioned, if considered desirable.
The same applies to basic slag, which contains a considerable quantity of free lime in its composition.
The amount of effective lime in basic slag, as made by modern methods, is so small that its value is nearly negligible.