One of the qualitative types of fertilizer for the vineyard is wood ash. This fertilizer is one of the most affordable. You can cook it at home, adhering to a specific recipe.
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Wood ash is a common phosphate-potassium fertilizer, which contains a lot of useful substances: calcium, iron, zinc, magnesium, sulfur. Also included in the composition of the ash are microelements useful for the development of the plant.
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In the process of making fertilizer from ash, superphosphates, ammonium nitrate, urea are not added to its composition, since they shorten its action.
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