Items Tagged with 'soil organic matter'


‘Soil Livestock’ Open the Tap to Increasing No-Till Production

Healthier microbial communities are key for no-tillers to utilize large pools of untapped nutrients underground and increase production without hiking input costs.
NUTRIENT-BASED yield theories have served agriculture for more than 150 years, but the problem, some soil scientists say, is those models were created without any concept of soil biology.
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Saved Sediment, Covers, Worms Bring No-Till ‘Gold’ to the Surface

Dwight Clary says seeding covers have revved up his Ohio farm by suppressing weeds, taking up nutrients and building organic matter.
An interest in conservation hit Dwight Clary early in life. When he was 13 years old, one of his 4H projects won a County Conservation Award. The prize? A week at Conservation Camp. That was when he learned about a new practice called “no-till.”
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NNTC 2015 Speaker Presentation

How Intensive Nitrogen Use Is Browning The Green Revolution - Richard Mulvaney - NNTC 2015 Presentation - MP3 Download


Richard Mulvaney says the use of synthetic nitrogen for modern cereal production is assumed to build soil organic matter by increasing the input of residue carbon. However, the University of Illinois fertility specialist says this assumption is at odds with declining levels of soil carbon and nitrogen documented in long-term cropping trials. He adds these declines in soil nitrogen and carbon are occurring even when fertilizer inputs exceed grain nitrogen removal.


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