The use of plant ash as fertilizer
Grass ash is a frequently used fertilizer. It is made up of plant straw, firewood, litter and other residues after burning, mainly containing potassium.
Flower cultivation class: basic knowledge of bulb flowers (literacy article)
Plant ash is grayish black or black, not suitable for nitrogen and organic matter, only ash and a large number of trace elements, of which the most are potassium and calcium. Because the form of potassium in plant ash is mainly potassium carbonate, followed by potassium sulfate, a small amount of potassium chloride, more than 90% can be soluble in water, high effectiveness, so it is an ideal quick-acting potassium fertilizer.
Plant ash is a kind of alkaline fertilizer, which can not be mixed and used with ammonium nitrogen such as sulfuric acid hinge and nitrate hinge, and can not be mixed with human feces and livestock feces and urine, otherwise it will cause nitrogen volatilization and failure.
Plant ash is suitable for all kinds of soils except saline-alkali soil, especially for acid soil. It can be used as base fertilizer and topdressing, generally using 50 to 100 kilograms per mu, and mixing with wet soil before application, but not too much water, otherwise it will cause nutrient loss.
Knowledge: key points of daily flower cultivation
Plant ash in potted flowers can be mixed with cultivated soil in a certain proportion, which not only increases potash fertilizer, but also makes basin soil loose, good drainage and conducive to rooting. No matter cutting, sowing seedlings, general potted flowers can be used with plant ash.
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