往厕所里撒草木灰或生石灰是为了讲卫生,但是,从积肥角度来看,是不可取的。人粪尿的主要成分是纤维素、半纤维素、脂肪、蛋白质、氨基酸、水、尿素、食盐等。发酵后,含氮物质就变成碳酸铵溶解在水里。草木灰和生 Soothing ash or lime to the toilet is for hygiene reasons, but it is not advisable from the perspective of fattening. Human urine is the main component of cellulose, hemicellulose, fat, protein, amino acids, water, urea, salt and so on. After fermentation, the nitrogen-containing material becomes ammonium carbonate dissolved in water. Ash and raw grass