Wood Ash - a natural pH up (fights over acidic soil), a natural source of minerals, a cheap amendment. All of which can be good things. . Since wood ash is derived from plant material, it contains most of the 13 essential nutrients the soil must supply for plant growth . When wood burns, nitrogen and sulfur are lost as gases. Calcium, potassium, magnesium and trace element compounds remain. The carbonates and oxides remaining can be valuable in raising pH, thereby helping to neutralize acid soils. . So, how do I use them ? One teaspoon to a gallon of water is a good start. Before use, check the pH of your soil. Then after use, wait one full day and recheck your soil pH. As always, my approach is start low, go slow - it's a safer way of doing things. . Since, Hardwoods contain more minerals overall (five times more), than soft woods like pine; use hardwood ash. . Hope this helps... Keep it Real...Organic.... .