草木灰,也叫小灰,一般含氧化钾5—10％,而且肥效快,是一种最经济的钾肥。5口之家每天可攒小灰2公斤左右,一年可攒700多公斤,足够7亩严重缺钾地块施用。目前,钾肥肥源缺乏,供应不足,所以要将小灰攒起来,千万莫扔掉。 提起攒小灰,有人就想到修灰仓子,挟灰栏子、挖灰坑子。修仓、挟栏不仅成本高,而且费事,还 Ash, also known as small gray, generally containing potassium oxide 5-10%, and fertilizer fast, is one of the most economical potash. The family of 5 can save 2 kilograms of small ash every day, save more than 700 kilograms a year, enough for 7 acres of serious potassium deficiency plots. At present, the lack of potassium fertilizer, lack of supply, so save the small gray, do not throw away. Mention save Ash, some people think of ash repair warehouse, rely on the gray column child, digging gray pit. Repair warehouses, not only with high costs, but also trouble, but also