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Comparison between tillage transect and supplementary data

Comparison between tillage transect and supplementary data. GLPF Grant- Team meeting #5 July 23-24, 2013. Tillage transects. Developed by NRCS and CTIC Record crop, tillage, and estimate residue cover along a road transect throughout the Sandusky River Watershed

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Comparison between tillage transect and supplementary data

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  1. Comparison between tillage transect and supplementary data GLPF Grant- Team meeting #5 July 23-24, 2013

  2. Tillage transects • Developed by NRCS and CTIC • Record crop, tillage, and estimate residue cover along a road transect throughout the Sandusky River Watershed • Seneca, Sandusky, Crawford, and Wyandot Counties • Also used throughout the Maumee Watershed • Transects conducted 2x a year (spring and fall) since 2009 • Each transect revisits the exact same GPS coordinates

  3. Dominant crops Spring P strat. Fall

  4. Spring Fall Corn 16% 51% 79% 37% 39% 18% 25% 10% • Note: cover and vertical till was not recorded until 2011, zeroes in 2009-2010 doesn’t mean it wasn’t there 36% 24% 31% 64% 52% 78% 74% 9% 31% Crop planted next

  5. Spring Fall Soybean 11% 11% 17% 21% 19% 23% 34% 14% 20% 26% 19% 10% 13% 11% 14% • Note: cover and vertical till was not recorded until 2011, zeroes in 2009-2010 doesn’t mean it wasn’t there 26% 64% 59% 75% 60% 53% 51% 58% 28% Crop planted next

  6. Spring Fall Wheat 7% 8% 8% 12% 13% 10% 12% 15% 33% 75% 51% • Note: cover and vertical till was not recorded until 2011, zeroes in 2009-2010 doesn’t mean it wasn’t there 31% 72% 99% 87% 92% 14% 21% 78% 27% Crop planted next

  7. Crop rotation compared with Supplementary data After corn: After wheat: After soybean:

  8. Tillage practices compared with supplementary data • Results are very similar for the tillage transect and supplementary data Corn Wheat Soybean 14% 14% 32% 20% 41% 77% 70% 67% 68% 47% 69% 86% 34% 83%

  9. Questions?

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