189x 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 C on o ti v a er t o c r r o p ps o r C 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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