1 / 17

Targeting perennial/biomass crops to sensitive areas

Targeting perennial/biomass crops to sensitive areas. Claire Baffaut USDA-ARS Cropping Systems and Water Quality Research Unit Columbia, MO. Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO.

zonta
Download Presentation

Targeting perennial/biomass crops to sensitive areas

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Targeting perennial/biomass crops to sensitive areas Claire Baffaut USDA-ARS Cropping Systems and Water Quality Research Unit Columbia, MO Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  2. Rills from 4/2012 storm after planting Following a 3” rain, the soil from the planted rows is gone, at least 2” Planted and germinated corn is now exposed

  3. Rills in the Centralia plots 4/21/2010

  4. Top soil depth along Plot 18 Close to 8” Less than 2.5” Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  5. Top soil depth along Plot 11 Close to 8” Less than 2.5” Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  6. Top soil depth along Plot 9 Close to 7” Less than 2” Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  7. Average measured soybean yields CS1 – Mulch till Backslope soybean yields significantly lower than summit or footslope yields. Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  8. Average measured soybean yields CS2 – No-till 1997. Dry year but footslope has enough moisture. Backslope soybean yields significantly lower than footslope yields. Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  9. Average measured corn yields CS1 – Mulch till Backslope corn yields significantly lower than footslope yields, but no difference with summit yields. Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  10. Average measured corn yields CS2 – No-till No significant difference between any position! Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  11. Runoff quantity and quality Two indices were good predictors of areas generating the highest loadings of runoff, sediment, and atrazine: • CCI= Ksat* depth_to_clay/ Slope • CPI= depth_to_clay / Slope Runoff Atrazine Sediment

  12. A progressive phenomenon: 100 years Depth to clay in Field 1 Erosion ranges Topsoil loss (in) -20 -10 0 10 20 Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  13. Perennial Crops on degraded slopes? Switchgrass buffer Advantages • Does not displace food producing acres. • Does well because roots go through the claypan • May help remediate the degradation Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  14. Simulated water quality effects of mid-slope buffers in Field 1 Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  15. Testing the hypothesis of water quality improvements • Cropping systems for targeted buffers: • Mulch till corn – NT soybean • NT corn – soybean • Water Quality monitored also for: • All in switchgrass • All in willow • Corn-Soybean-Wheat • Variables • Q, Sediment • Dissolved and total nutrients • Herbicides Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  16. Targeting to the sensitive area • Two croping systems were targeted: • Corn MT – Soybean NT • NT Corn-soybean • Buffers were designed: • 150 feet • Placed on the most sensitive part, according to CPI, a function of slope and depth to clay Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

  17. What will we learn? • Experience in establishing switchgrass on claypan soils • Productivity of the system on a larger scale than at the SPARC plots • Interactions between the switchgrass and row crop management • Impact of row crop production upstream of the switchgrass. • Impact of switchgrass production on the tow slope row crop productivity. • Water quantity impact of switchgrass production on the sensitive area. • Water quality impact of switchgrass production on the sensitive area. • Will switchgrass propagate and fill-in the existing rills? • Impact of switchgrass production on soil quality. Translating Missouri USDA-ARS Research and Technology into Practice A training session provided by USDA-ARS-CSWQRU, 10-11 October 2012, Columbia, MO

More Related