The Quest for 300 Bushel Corn - South Dakota Agri-Business ...

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Omission Plots 2009-10 All Sites in both Years • Medium to high soil P & K • 180 lb base N as UAN • DKC 61-19 or 61-22 • Soybean as previous crop • Conventional tillage Champaign Weather • Wet spring in both years • Abnormally cool throughout 2009 • Abnormally hot during grain fill in 2010 Dixon Springs
Standard vs High-Tech 2009 Standard High Tech Factor Yield ∆ Yield ∆ bu acre -1 None or All 198 260 Fertility 202 + 4 248 -12 Nitrogen 206 + 8 240 -20 Genetics 208 +10 235 -25 Population 185 -13 250 -10 Fungicide 198 0 242 -18 LSD (p
Page 1 and 2: Fred Below Crop Physiology Laborato
Page 3 and 4: Quest for 300 Bushel Corn Herman Wa
Page 5 and 6: Seven Wonders of the Corn Yield Wor
Page 9 and 10: Weather and Nitrogen 220 Grain yiel
Page 11 and 12: Better N Use with Biotechnology Tra
Page 15 and 16: Previous Crop and N Response - 5 th
Page 19 and 20: Some Examples of Yield Component Co
Page 21 and 22: Are Twin Rows a way to increase Pla
Page 27 and 28: How to Get 300 Bushels • Provide
Page 29 and 30: Seasonal Uptake & Partitioning of P
Page 31 and 32: How to Get 300 Bushels • Better p
Page 33 and 34: Standard vs. High Tech Package Fert
Page 35: Omission Plot Experimental Design F
Page 39 and 40: Standard vs High-Tech Two Years Sta
Page 41 and 42: Omission Plots 2011 14+ plots at 5
Page 43 and 44: No Corn Plant Left Behind Standard
Page 45 and 46: Omission Plot Experiments in Illino
Page 47 and 48: 2011 DeKalb Omission Plot at Champa
Page 49 and 50: Value of Input Factors with Standar
Page 51 and 52: Conclusions • Increasing plant po

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