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Will help woodland owners grow black walnut trees in natural stands and plantations for timber, nuts, and agroforestry. Offers practical advice about uses of walnut wood, nuts, and byproducts; where walnut grows best; ... Black walnut is one of the Midwest's most valuable tree species based on price per board foot.
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www.extension.umn.edu/distribution/naturalresources/DD0...
www.extension.umn.edu/distribution/naturalresources/DD0505.html
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Black walnut (Juglans nigra), and to a lesser extent butternut (Juglans cinerea), a closely-related species, produce a toxic substance that can be harmful to nearby plants. The trees produce the toxin juglone, which inhibits respiration in suscep tible plants, causing growth to be retarded, stunted, or deformed.
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www.extension.umn.edu/projects/yardandgarden/ygbriefs/h...
www.extension.umn.edu/projects/yardandgarden/ygbriefs/h407blkwal-tox.html
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Information about the Black Walnut. ... Only black walnut and butternut--a close relative--have pith like this. Walnut pith is brown and butternut is buff colored. The rather large, horse-faced leaf scars on the twigs, the large naked buds (no scales cover the embryonic leaves), and the smell of the bark and twigs are other...
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ostermiller.org/tree/blackwalnut.html
ostermiller.org/tree/blackwalnut.html
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In the nineteenth century, the black walnut tree was prized by the makers of expensive furniture; today these choice pieces are avidly sought after by collectors. Only a few specimens of this stately tree now remain in the Historic Triangle and very few young ones are springing up in the local forests.
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www.baylink.org/wpc/walnut.html
www.baylink.org/wpc/walnut.html
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Juglans nigra - Wikipedia, the free encyclopedia
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The Eastern Black walnut ( Juglans nigra ) is a species of flowering tree in the hickory family, Juglandaceae, that is native to eastern North America. It grows mostly in riparian zones, from ...
en.wikipedia.org/wiki/Juglans_nigra
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The bark of the black walnut tree is thick, dark, rough, and deeply furrowed into rounded ridges. The leaves are 3-lobed inversely triangular to heart-shaped. All members of the order have pinnately compound leaves-that is, leaves divided into individual leaflets attached along both sides of a central stalk.
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www.msu.edu/~severan6/woodlot.html
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The roots of Black Walnut (Juglans nigra L. ) and Butternut (Juglans cinerea L. ) produce a substance known as juglone (5-hydroxy-alp ... Plants Observed Growing Under or Near Black Walnut*
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ohioline.osu.edu/hyg-fact/1000/1148.html
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Black walnut (Juglans nigra L.) is a valuable hardwood lumber tree and Indiana native. In the home landscape, black walnut is grown as a shade tree and, occasionally, for its edible nuts. While many plant grow well in proximity to black walnut, there are certain plant species whose growth is hindered by this tree.
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www.wvu.edu/~agexten/hortcult/fruits/blkwalnt.htm
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