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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Issue 31 (1958) → Experimental Treatment of Sawdust with Anhydrous Ammonia

Experimental Treatment of Sawdust with Anhydrous Ammonia

The need for soil organic matter in an area where acid peat is not available locally has led to the use of sawdust in large quantities as a soil amendment at the Mason State Tree Nursery in central Illinois. It has been used for over eleven years as a winter mulch on first year seedling and transplant beds to prevent frost heaving and later to improve the soil. A sawdustground corncob mulch is spread about 3/4 inch thick, top dressed annually with about 300 pounds of ammonium sulphate, and incorporated with the soil at the end of the rotation.


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Author(s): Hugh B. Wycoff

Publication: Tree Planters' Notes - Issue 31 (1958)