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Fertilize with ash: tips and dosages to use theash as a fertilizerfor plants in the garden, in the vegetable garden or grown in pots.
The use of theash as a fertilizerit is a very ancient and still widespread practice today.Fertilize with ashit allows to bring a good number of nutritional elements to the soil, first of all phosphorus and potassium. Thereash, as well as being used forfertilize the soil, it can be used in the garden to remove slugs and snails (snails with or without shells). Thereashobtained by burning wood in the fireplace or in stoves, it can be used forincrease the pH of the soiland make it compatible for the cultivation of so-called basophilic plants.
What nutrients does the ash bring to the soil?
Thereashof wood brings good quantities of phosphorus, potassium, magnesium and calcium to the soil.
Thereashcertainly not the bestfertilizeravailable but its use is recommended to anyone who has a wood-burning stove or fireplace because it can only be good for soil fertility. Thereashit's anatural fertilizer: the cycle begins when the tree absorbs nutrients from the soil, water and air. The wood of the burned tree releases carbon, oxygen, hydrogen, nitrogen and sulfur with the fumes but a good dose of compounds constitutes what we commonly call ash. By fertilizing the soil with ash, we return precious elements to the soil.
Thereashit is so rich in potassium that its use is strongly recommended as soil conditioner for basophilic plants.
When we talk aboutashforfertilize the soilwe refer to the ash given by the combustion of wood of natural origin, therefore not painted, nor treated with flatting or impregnating agents. Using ash of dubious origin would risk polluting the soil.
How to fertilize with ash
It takes from 15 to 25 kg of ash to fertilize a land of 100 square meters.
The ash can be supplemented when we prepare the seedbed or ifurrowsfor planting. Working the soil thoroughly, add the necessary ash.
The ideal would be to fertilize the soil with ash and compost: the compost would contribute the nitrogen deficient in the wood ashes. Add 150 to 200 grams of ash for every square meter of your garden.
If you want insteadfertilizehedges or trees, theashit must be spread on the surface in quantities of 50 grams per square meter to be dispersed at the base of the plant. In this context, be careful to cover the entire area homogeneously and following the coverage radius of the canopy.
For thefertilization of hedges it will be necessary to consider the width of the system. On average, you can spread the ash to cover the first 80 cm of the surface from the base of the plants. The ash must be scattered throughout the row.
Ash in home compost
Compost can add nitrogen to ash but it is also true that ash can complement home compost!
The lack of nitrogen makes the ash useful also as an integrative element in the compost to favor its decomposition and transformation into fertile soil.
Ash, an ancient natural remedy against snails
Slugs and snails, that is snails with or without shells, can be removed from the garden by exploiting theashwoody. The slugs and snails feed mainly on large leafy vegetables, distributing the ash it will no longer be necessary to use snails to safeguard the harvest.
How to remove snails from the garden? Distribute the ash around the flower bed or thefurrowto be protected so as to form strips 6-7 cm wide and at least 2 cm high. The ash retains its effectiveness only as long as it remains dry, so this remedy is recommended only for those who use drip irrigation and must be regenerated in case of rain. The residual ash in the soil will then have the fertilizing effect already described above.
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