338x Filetype PPTX File size 2.24 MB Source: soilcrop.tamu.edu
Why should we care!!
Source: Patch.com
Conservation agriculture and its
potential
Reduced till
Yield benefits Environment
conservation Conservation Agriculture
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Adoption of Conservation Agricultural
Practices
• Perception that cover crops are costly
• In Texas,6.3% of total crop land was cover cropped.
• 30 % of total crop land was under reduced till in
Texas.
Potential way to increase cover crop
adoption
• Opportunity for financial gain from cover crop
Cover crop herbage mass management
1) Cover crop residue in the field 2) Cover crop grazed using livestock 3) Cover crop harvested for hay
Source: cropwatch.unl.edu
Direct economic profit as forage for livestock
• Herbage mass removed
• Biomass retained • Nutrients cycled as animal waste • Herbage mass removed
Source: country-guide.ca
Source: civileats.com
Soil health research gap
• Badri et. al (2009)
• Soil health benefits increases with • Root exudates can drive soil • Micallef et. al (2009)
increased cover crop biomass microbial processes • Bais et. al (2006)
Chaparro et. al (2012)
Finney et. al (2017)
• Can similar soil health benefits be achieved with living roots even without the herbage mass?
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