Several other materials can be used for liming purposes, such as, baked or burned oyster shells, marl, basic slag, wood ashes, and cement industry by-products.

 
  • 其它几种物质也可用来施用石灰,如?壳灰、泥灰、钢渣磷肥(碱性炉渣)、草木灰和工业水泥的副产品等。
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