The main ingredient in it is potassium carbonate. Generally, the mineral elements in plants are almost all contained in it. The content of potassium in plant ash is relatively high, usually about 6% - 12%, 90% of which are water-soluble and exist in carbonate form. The next is the content of phosphorus, usually about 1.5% - 3%. In addition to these, it also contains iron, copper, magnesium, sulfur, zinc and other nutrients.
Plant ash can be used as fertilizer. It is also a kind of common farmyard fertilizer. It can kill bacteria and prevent diseases and insect pests after use. It is also a kind of organic fertilizer, which is very suitable for acid soil or clay, and can be used as the cover of seedling. Because it contains more potassium, so it also belongs to potash fertilizer.
It is a kind of alkaline fertilizer. Do not use it with acid fertilizer and farmyard fertilizer. If it is to spray to the leaves, it needs to be filtered before it can be used, so as not to pollute the leaves and flowers of plants.
At ordinary times, it can be used as a top dressing outside the root, or it can be used to spray the leaves with a lower concentration of liquid. It is suitable for plants that like potassium, such as sunflower, potato, grape, etc. When using it, do not mix it with phosphate fertilizer. It is easy to have low fertilizer effect.
