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    Calcium cyanamide, a nitrogenous fertilizer, was evaluated in new plantings of black walnut, white ash, and white oak seedlings and 2- and 3-year-old white oak and white ash trees, respectively. Only the growth of black walnut seedlings and white ash trees was improved by CaCN2. Some weeds were controlled by CaCN2, but the amount of weed control was not significantly influenced by the rate of CaCN2. Only the survival of white oak seedlings was affected by CaCN2.

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    Ponder, Felix Jr.; Bey, Calvin F. 1981. Effect of Calcium Cyanamide on the Growth of Planted Hardwoods. Research Note NC-266. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station


    weed control, fertilization, seedling survival, old field, mulch.

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