Horse manure question Community › Community › No dig gardening › Preparing the ground › Horse manure question This topic has 1 reply, 2 voices, and was last updated 12 years, 4 months ago by charles. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 12th May 2014 at 10:56 pm #22004 theorganicfanaticMember I was wondering if it’s OK to use rotted horse manure that may have sawdust in it as compost. Thanks. 13th May 2014 at 4:40 am #25215 charlesModerator especially when on the surface although sawdust decomposes faster than wood shavings so when the manure is well rotted, the wood of the sawdust should also have passed through the stage of taking nitrogen to decompose. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In