A healthy soil has hundreds of different species of microbes while a depleted one may only have one dozen. A number of common viticulture practices are not conducive to a healthy soil biology so Dave Olson of Sustainable Growing Solutions is looking at how we can improve soil quality with microbes, ultimately improving plant quality. This process can be foliar with soil inoculations over time. Microbes do not colonize all at once so it important to add them over a period of time so that some will pave the way for others. Dave discusses the best time for applications and the importance of having an objective before trialing inoculants.

References:

72: Soil Microbes and Nutrient Availability
112: How Deficit Irrigation Impacts Soil Quality
David Olson | dolson@sgs-ag.com | (916) 284-9706
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Sustainable Growing Solutions (website coming soon)
Top 5 Soil Health Resources
Vineyard Team's ‘Juan Navarez Memorial’ Scholarship
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113: Microbial Inoculants for Soil Health

Sustainable Winegrowing