Vineyard Soils: Biology

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Mark Chien, Penn State University

The soil food web is relatively new to the viticulture lexicon. It refers to the great diversity of biological life that exists in the soil medium. This myriad of organisms is often present …


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Mark Chien, Penn State University

Terroir is a French word that, despite its lack of a clear definition, finds itself at the center of any effort to define wine quality. As defined by French geologist Yves Herody, …