Crop Circle and Green Seeker NDVI SDI cotton Lubbock, 2008 - Fluid ...

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Correlation of Crop Circle (CC) and Green Seeker (GS) NDVI, Biomass, Leaf N, Chlorophyll meter at mid-bloom sampling and Lint yields, Lubbock, TX 2007. N Rate CC NDVI GS NDVI Biomass Leaf N Chlor. Meter Lint Yield N rate 0.60** 0.69** 0.53** 0.63** 0.71** 0.23* CC NDVI 0.60** 0.57** 0.44* 0.55** 0.50** 0.48** GS NDVI 0.69** 0.57** 0.36* 0.62** 0.65** 0.27* Biomass 0.53** 0.44* 0.36* 0.46** 0.35* 0.33* Leaf N 0.63** 0.55** 0.62** 0.46** 0.65** 0.32* Chlor. Meter 0.71** 0.50** 0.65** 0.35* 0.65** Lint yield 0.23* 0.48** 0.27* 0.33* 0.32* **P
NDVI 0.9 Crop Circle and Green Seeker NDVI SDI cotton Lubbock, 2007 0.8 0.7 0.6 0.5 CC_STB CC_ Zero 0.4 CC_Refl-based GS_STB 0.3 GS_Zero GS_Refl-based 0.2 177 187 197 207 217 227 Julian Days
Page 1 and 2: Reflectance-based Nitrogen Fertiliz
Page 3 and 4: Materials & Methods
Page 5 and 6: Methods • AFD 5065 B2FRR • Five
Page 7 and 8: Percent reflectance Cropscan MSR 16
Page 9 and 10: CropCircle • Active sensor • 2
Page 11: 8, 40-in rows Plot plan Station 1 S
Page 16 and 17: NDVI 0.9 Crop Circle and Green Seek
Page 18 and 19: Spring soil nitrate, N fertilizer a
Page 20 and 21: First open boll biomass, N accumula
Page 22 and 23: Lint yields as affected by cultivar
Page 24 and 25: Summary of three years of soil test
Page 26: Conclusions • Recovery efficiency

Crop Circle and Green Seeker NDVI SDI cotton Lubbock, 2008 - Fluid ...

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