We met with Research Microbiologist Dr. Mike Lehman (ARS) on the research station in Brookings, South Dakota to talk soil microbes. Dr. Lehman isn’t just a well-respected scientist, it turns out that he’s also a great communicator. In this and the next two videos, Dr. Lehman takes a shovel full of soil and talks about…
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Merit or Myth: Season 2
In our first Merit or Myth season, we discussed the issue of no-till in the context of residue management, soil water (mainly infiltration), soil temperature, weeds and economics. In reality, a companion between no-till an conventional till system is very difficult to compare is one only looks at one factor (e.g., residue). When we spoke…
Soil Resilience and Water Holding Capacity
In a lot of ways, farming success comes down to efficiency How efficiently can a farmer make use of his time? How efficiently can he make use of his inputs? How efficiently can he make use of his available resources? When it comes specifically to those available resources, there is one that stands above the…
Economics & Soils: Jorgensen Case Study (Part 5)
One may take the view that soils are a static, medium to grow plants and place nutrients. If one holds this static view of soils, what the Jorgensens have been able to achieve would simply not make sense; at best it would appear anomalous. If one holds the view that soils are living, dynamic ecosystems…
Economics & Fertilizer: Jorgensen Case Study (Part 4)
The standard narrative when one quits the application of synthetic fertilizer is that you would be mining your soils. This may be true for soils that are degraded, probably tilled, and being managed in a undiversified rotation. But what about regenerative soils? Are we still mining them? The Jorgensen Land and Cattle operation went 100%…