Coffee grounds contain about 2% nitrogen, which can transform organic matter into fertilizer. It is a safe and environmentally friendly fertilizer. Huang Yuming, an associate professor in the Department of Soil Environmental Science of Zhongxing University in Taiwan Province, pointed out that coffee grounds can be dry or wet, as long as they are spread on the top layer of soil and decomposed by themselves, they can provide nutrients for plants, but it is not recommended to use them for planting crops in large quantities.
Long-term use of coffee grounds can improve soil fertility and structure, increase organic components in soil, promote seed germination and seedling growth, and prevent various bacterial infections, such as Fusarium wilt.
Extended data:
Magical use of coffee grounds;
Wonderful use 1: exfoliating. Coffee grounds are a good material for exfoliating. It can be rubbed and massaged into bath milk to remove aged horniness and make skin smooth, firm, meticulous and shiny.
Wonderful use 2: moisture absorption and deodorization. Coffee grounds have many tiny pores, which can absorb moisture and deodorize. Put the dried coffee grounds in a cup and put them in a refrigerator or microwave oven to remove the mixed smell of various foods; It can be placed in the toilet to replace chemical fragrance; It also has a good deodorizing effect in wardrobes, shoe cabinets and cars. It is best to replace it every two or three days to avoid mildew after absorbing water.
References:
People's Network-Natural fertilizer and pesticide coffee grounds have three wonderful uses that are unknown to people.