There is renewed interest in paying farmers to sequester soil carbon by building soil organic matter (SOM) levels. Building soil carbon is dependent upon temperature, moisture, vegetation, tillage, soil texture, crop rotation, and microbial activity. Read more in this article from Ohio's Country Journal.
Cover crops, pollinator strips and compost are among the tools Kelly Kettner uses to improve organic matter and stretch irrigation resources on his 5,000-acre operation in the Texas Panhandle.
While covers may use some water, experienced no-tillers say they build water-holding capacity in no-tilled soils, soften the impact of rain and reduce soil moisture evaporation.
Some growers in the Plains feel incorporating cover crops into no-till systems can’t work because covers will use up all of the available moisture needed for the following cash crop. But experienced no-tillers share what benefits they’ve seen from cover crops on their own farms.
Cover crops can prevent nitrogen losses during winter fallow, but no-tillers should be mindful of how carbon-to-nitrogen ratios in residue affects what’s available for the next crop.
The National No-Tillage Conference returns January 7-10, 2025!Build and refine your no-till system with dozens of new ideas and connections at the 33rd Annual National No-Tillage Conference in Louisville, Ky. Jan. 7-10, 2025. Experience an energizing 4-day agenda featuring inspiring general session speakers, expert-led No-Till Classrooms and collaborative No-Till Roundtables. Plus, Certified Crop Adviser credits will be offered.
Last week we had boots on the ground at the Big Soil Health Event in Cedar Falls, Iowa where agronomist David Kleinschmidt emphasized the importance of considering Carbon to Nitrogen ratios of cover crops and residues.