firewood ashes and lime

Asked May 28, 2019, 9:58 AM EDT

Both firewood ashes and lime can be used to make soil more alkaline. How many pounds of ashes equal 1 pound of lime when used for this purpose?

Charles County Maryland soil wood ash

1 Response

Hi- approximately 2 lbs. of wood ash would have the same pH effect as 1 lb. of ag lime.
Web page reference: https://www.pubs.ext.vt.edu/452/452-510/452-510.html

Don't add more than 20 lbs. of wood ash per 1,000 sq. ft. of garden area.
Jon