If your soil is very acidic 5 5 or lower amending with wood ash can raise your soil ph.
Is hardwood ash a soda.
Wood ash is an alkalizing agent like baking soda.
Using wood ash as a fertilizer.
How to use wood ash.
Its ability to absorb scents should remove any foul odors.
However unlike limestone which can take 6 months or more to change soil ph wood ash is water soluble and changes the soil ph rapidly.
Apply roughly twice as much ash by weight as the recommendation for limestone.
Traditional colonial recipes used animal fat but you can use other types of fat too.
More often it was processed into potash and then pearl ash more on that in a minute.
But wood ash fertilizer is best used either lightly scattered or by first being composted along with the rest of your compost.
Instead of using baking soda put wood ash into a bowl and place it in your fridge.
Making lye from wood ash.
The process makes lye water.
Not only that using ashes in the garden also provides many of the trace elements that plants need to thrive.
Wood ash is similar to lime which is ground limestone or calcium carbonate which also increases soil ph.
Once you concentrate the lye water you can turn it into soap by cooking it with fat.
Because of the unique type of lye used to make it ash soap does not produce much lather.
Ash soap is made from lye derived from hardwood ash.
Wood ash is an excellent source of lime and potassium for your garden.
If you boiled off all the water you could use it as the catalyst to make biodiesel but you d need more accurate ph measures than those listed below.
A short while ago i shared a blog article about victorian era leavening.
Most wood ash contains a good percentage about 25 percent of calcium carbonate an ingredient in garden lime.
Lye made from wood ash is potassium hydroxide not sodium hydroxide there s 10 times as much potassium as sodium in wood ash.
Some woods produce ash which can help whiten your teeth.
Therefore you can use wood ash in some diy toothpaste.
The ash water method took a little advance preparation and had less impact of biscuit color but in a pinch hardwood ash could be used too although i would recommend a very fine sieve to prevent random grittiness.
Can hard wood ash be used in place of baking soda for baking quick breads.