Persian walnut trees line the hills of Uzbekistan. (Photo submitted/Sergio Mapelli/Consiglio Nazionale delle Ricerche, Institute of Agricultural Biology and Biotechnology) Download Photo WEST ...
Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...
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