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Hank McGowan Source: Hank McGowan

Carbon & Cattle Bring Savings & Profit

Weeds made no-till a battle, but cover & relay crops with other carbon-boosting practices have progress snowballing

By Hank McGowan as interviewed by Martha Mintz

Takeaways

  • Building C is like pushing a snowball off a hill, it just keeps growing. 
  • Relay cropping saves two herbicide applications with cleaner results.
  • Cattle make covers pay when calves are $4-plus and corn is sub $4.

Carbon is the foundation upon which I’m building a farm I believe will be increasingly resilient, low-input, high-production, and financially and environmentally beneficial.

I want a carbon (C) to nitrogen (N) ratio of 15:1 in my soils, and I’m getting there. When C is high it enables the rest of the systems on our farm to function as they should. The soil will capture and retain more water, soil biology will thrive, nutrients will be released from the soil, crops will need fewer inputs, pests will be less of a concern, and the list goes on.

It sounds simple enough but figuring out how to increase C has taken a while and is only one piece of the resilient farming puzzle. It is a big piece, but not the only one. I’ve come to firmly believe that large applications of humic acid are helping me achieve in a sprint what most people see as a marathon process.

The amount of humic acid I’m applying and how I’m managing my crops after the applications go against traditional recommendations. In the last two years I’ve seen positive results, and I expect the benefits to continue to build in the future as my soil and farming system adjust. 

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Martha Mintz

Since 2011, Martha has authored the highly popular “What I’ve Learned About No-Till” series that has appeared in every issue of No-Till Farmer since August of 2002.


Growing up on a cattle ranch in southeastern Montana, Martha is a talented ag writer and photographer who lives with her family in Billings, Montana.

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