1, what is grass ash fertilizer: grass ash can be used as fertilizer, it is also a relatively common farmyard fertilizer, after using can play sterilization, preventing pests and diseases and other effects. It is also a kind of organic fertilizer, very suitable for acidic soil or clay soil, can be used as a seedling mulch. It is also a potassium fertilizer because it contains more potassium. It is an alkaline fertilizer and should not be used with acidic fertilizers and farmyard manure. If it is to be sprayed to the leaves, it needs to be filtered before use so that it will not pollute the leaves and flowers of the plant.
2, grass ash use: usually you can use it as an extra-root fertilizer, you can also spray the leaves with a lower concentration of liquid. It is very suitable for use in plants that like potassium, such as: sunflowers, potatoes, grapes and so on. Do not mix it with phosphorus fertilizer and apply it when you use it, it is easy to have low fertilizer efficiency.