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Thursday, December 5, 2019

Steer Manure Is Stinky but Can Be Used


Q. We applied Red Star steer manure as a topsoil during overseeding tall fescue three days ago. Is it ok to apply granulated fertilizer to this or should we wait longer?
Stinky Steer manure can be used for top dressing seed in a lawn or even vegetable garden but let it age

A. So we are on the same page on this, you are spreading some seed on your tall fescue lawn to increase its density, thickening up some thin areas and maybe improving the look of your lawn because of some brown spots or dead areas. Once the seed is spread and fertilizer is applied, you are spreading a thin layer of steer manure as a “topdressing” (you are calling it “topsoil”) to improve the germination of the seed. The best time to do all this is from about mid-September to mid-October. It is getting late now.

Manure used for topdressing

            Bagged steer manure was used in the past as a topdressing for lawns when overseeding. It was smelly but it worked well. Years ago, you knew it was fall overseeding time because of the steer manure smell in the neighborhood. Now there are commercial topdressing products available but bagged steer manure still works.

Rules for overseeding

            In lawn seed germination, a rule to follow for good seed germination when overseeding lawns is good “soil and seed contact”. It is important that the seed applied is in contact with the soil after the application is done. The steer manure or topdressing was a “blanket” that pushed the seed down and helped keep the area moist.
            Make sure the lawn is mowed as short as possible (for fescue I wouldn’t mow shorter than one inch) and any debris on the soil surface (thatch) is disturbed or removed. This is done with a dethatcher, power rake or verticutter. This can be done by hand using a garden rake or gasoline driven if it’s a large area. For best results you should see bare soil when you are finished.
            After the lawn has been “dethatched” is the best time to apply a starter fertilizer for overseeding because it is high in phosphorus. This fertilizer is applied at this time, so it lands on bare soil along with the seed used for overseeding. The phosphorus is the part of the fertilizer you want on the bare soil because it doesn’t help the seed as much if it is applied after the job is finished. 

Phosphorus fertilizer should be mixed into the soil

Remember this in the future. It’s the same fertilizer used in vegetable gardens during soil preparation prior to seeding or planting vegetable transplants. The final application is a thin layer of topdressing, in your case the steer manure.
            Applying a starter fertilizer after it’s all finished is not the best but better than nothing. Go ahead and apply it. It’s not optimum but it will do some good as the seed is germinating and taking root.

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