How to improve soil with coal slag
Let's talk about how coal slag can improve soil quality and share some small experiences in plant cultivation for detailed methods of improving soil with coal slag. It's quite useful knowledge, so it's recommended to save it for later!
Burning coal briquettes produces a lot of waste coal slag. Some people use it for vegetable gardening, and some for flower cultivation. In fact, it is especially suitable for planting succulents or for improving soil quality, increasing soil aeration and drainage.
If you find it difficult to collect coal slag, you can often find small vendors on the roadside who throw away the coal slag after it has been burned. We can simply pick it up and take it home.
Coal briquettes are black before they are fully burned and turn brown after complete combustion. The coal slag we collect should be slightly processed before using it for flower cultivation. You can crush them with anything, then rinse with clean water, soak in clean water for two to three days, and filter appropriately before using it for planting flowers.
The filtered coal slag can be divided into different particle sizes. Larger particles can be used to plant older succulents, and fine particles can be mixed directly into the planting soil, suitable for planting any kind of plant.
You can filter directly with a vegetable basket. Some fine powder-like slag should not be used for planting succulents, but it can be used for vegetables and flowers.
Coal slag itself has no nutrients, so it cannot be used alone for flower cultivation. It can be mixed with garden soil, park soil, or other types of planting soil to increase soil aeration and drainage.
If the coal slag you collect still has a lot of black stuff, it means it has not been fully combusted. Make sure to throw away the black part, as it can also be slightly harmful to flower cultivation.
The above introduction on how to improve soil with coal slag and detailed methods of improving soil quality with coal slag is provided as a reference for everyone.