草木灰不宜露天存放在乡下，不少农户把草木灰和其它农家肥堆在一起，而且大多还是露天存放，这种做法很不科学。因为，草木灰的主要成分是碳酸钾和少量的钙、镁、磷，碳酸钾易溶于水。所以在露天存放的草灰遭到雨淋后，会使有效养分流失；加之草木灰呈碱性，若与含有铵态... Grass and ash should not be stored in the open air in the open air, many farmers put the ash and other farm manure piled together, and most are still open-air storage, this approach is unscientific. Because ash is the main component of potassium carbonate and a small amount of calcium, magnesium, phosphorus, potassium carbonate soluble in water. Therefore, in the open grass ash after being exposed to the rain, will make the loss of effective nutrients; combined with ash is alkaline, if with ammonium ...