How to Compost Plant Ash? Detailed Guide to the Correct Method and Steps

Plant ash is the residue left after plants are burned. This ash is rich in calcium, potassium, phosphorus and other elements, and can be used as a root fertilizer or a foliar fertilizer. So how is plant ash composted?

1. How is plant ash composted?

Generally, plant ash does not need to be composted and can be used directly. If it is used together with chicken manure, however, it needs to be sealed and fermented for composting beforehand. In addition, at a later stage, more composted organic fertilizer or acidic material should be applied to maintain the acid-base balance in the soil and ensure normal flower growth.

2. How is plant ash used?

1. Plant ash can be used as a root topdressing, and a low-concentration liquid can also be sprayed on the leaves. It is suitable for potassium-loving plants, such as sunflowers, potatoes, grapes, etc. It is worth noting that it should not be applied mixed with phosphate fertilizer, to avoid low fertilizer efficiency.

2. Plant ash is suitable for all kinds of soil except saline-alkali soil, especially acidic soil. It can be used as a base fertilizer and topdressing, generally at about 50-100 kg per mu, and it should be mixed with moist soil before application, but not with too much water, otherwise the nutrients will be lost.

3. In potted flowers, plant ash can be mixed with potting soil in a certain proportion. It not only increases potassium fertilizer, but also makes the potting soil loose with good drainage, which is good for root development. Whether for cutting soil or sowing seedlings, general potted flowers can all make use of plant ash.

In general, plant ash does not need to be composted and can be used directly. If it is mixed with farmyard manure, the farmyard manure can first be composted, and then stirred evenly with the plant ash.