Sustainable Winegrowing With Vineyard Team

151: The Role of the Soil Microbiome in Soil Health

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Synopsis

Soil is alive and we want a lot of life in the soil. According to Deborah Neher, Professor in the Department of Plant and Soil Science at the University of Vermont, healthy soils have three components. These are a range of different pore sizes to help with structure as well as balance water and air; balanced pH and nutrients; and organic matter to hold moisture and nutrients as well as provider microbes. Soil structure is created by mineral particles, bacteria, fungi, and plant roots. What determines a good quality soil depends on the ecosystem – a forest has different needs than active farmland. Bacteria and fungi are the life forms most associated with soil health. Some tests show the number of fungi and bacteria and their ratio to one another. However, they are not showing what is in the soil and there is still limited research on what these fungi and bacteria are doing. Often bacteria are associated with negative health factors. But there are many good bacteria that promote plant growth by producing nutri