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

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Presentation on theme: "Comparison between tillage transect and supplementary data GLPF Grant- Team meeting #5 July 23-24, 2013."— Presentation transcript:

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 Across yearsCornSoybeanWheatHayOtherCRP Transect35%45%14%2.6%1.5%1.4% P strat36%39%22%1.8%1.5%n/a Spring Fall P strat.

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

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

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

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

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

9 Questions?


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