1. Dr. Chad Lee, University of Kentucky

2. December 05, 2007 13:00 CST ContractPrice CornDec07393’4 Dec08436’4 SoybeanJan081117’0 Nov081037’0 WheatJul08768’4 Jul09741’0 2

3.  soybean at $33/bag  corn at $140 - $200/bag  N at $0.45/lb  P at $0.50/lb  K at $0.30/lb  Land rent???? 3

4. 1. Good genetics 2. Maximize days suitable for growing 3. 90 to 95% light interception at silking (R1) 4. Adequate nutrients, water and air to complete plant growth and seed fill 4

5. 5 Economics Weather TOTAL YIELD Soil Fertility Hybrid Genetics Planting Date, Seeding Rate Pest Management Timely Harvest Soil Structure TOTAL YIELD Soil Fertility Hybrid Genetics Planting Date, Seeding Rate Pest Management Timely Harvest Soil Structure Economics Weather

6.  Bt corn borer  Bt rootworm  RR2, GT  LL

7.  Roundup Ready

8.  Useful tools when needed  weed control  Pest management Rural Myth #1 “Biotechnology automatically equals yield” sometimes

9. Average Planting Date Corn Yield (Bu/A) (2000-2005) Bt (CB) Hybrid Advantage (Bu/A) Non-Bt HybridBt Hybrid April 7195197+2 April 22208211+3 May 9189196+7 May 24167178+11 June 9118141+23 9 Herbek and Bessin Princeton, KY

10. Rural Myth #2 “I’m saving money by waiting to spray.”

11.  Adapted  High-Yielding

12. 12 More 2007 FavorableProj.PriceProjected Rank of VarietyUKSPTVarietyDiff.AcresAddnl.perRevenue Planted 1 MGBu./A 5 Bu./APlanted 1 Bu.Bu. 4 Lost 1. Pioneer 94M80L434.442.27.892,000717,600$9.00$6,458,400 2. NK S49-Q9L433.942.28.375,900629,970$9.00$5,669,730 3. Asgrow AG4703L440.542.21.756,35095,795$9.00$862,155 4. Pioneer 94B73L444.40047,1500$9.00$0 5. Pioneer 94M30E443.20044,8500$9.00$0 6. Southern Cross MichaelE439.340.41.140,25044,275$9.00$398,475 7. Asgrow AG4903L439.542.22.734,50093,150$9.00$838,350 8. Asgrow AG3906339.70033,3500$9.00$0 8. Vigoro V48N7RSL440.642.21.633,35053,360$9.00$480,240 9. Pioneer 94M50E443.80032,2000$9.00$0 10. NK S43-B1E4N.I.T.? 27,600?$9.00? 517,5001,634,150$9.00 $14,707,350 (Based on performance in 2007.)

13. 13

14.  High yield  Proper Maturity  Technology Traits  Other traits

15. YieldGard Corn Borer (Cry1Ab) YieldGard Rootworm (Cry3Bb1) YieldGard Plus (Cry1Ab+Cry3Bb1 Herculex (Cry1F) ) Herculex RW (Cry34Ab1+Cry35Ab1) Herculex Xtra (Cry1F+Cry34Ab1+Cry35Ab1) Agrisure CB (Cry1Ab) Agrisure RW (mCry3A) Agrisure CB/RW (Cry1AB+mCry3A) YieldGard VT RW (Cry3Bb1) YieldGard VT Triple (Cry1Ab + Cry3Bb1) Source: Ric Bessin

16. ECBSWCBBCWFAWCRW YieldGard CB ++ -+- YieldGard RW ----++ YieldGard Plus ++ -+ Herculex ++ - Herculex RW ----++ Herculex Xtra ++ Agrisure CB ++ -+- Agrisure RW ----++ Agrisure CB/RW ++ -+ Source: Ric Bessin

17.  Optimum GAT  corn and soybean  Anthracnose Stalk Rot Resistance  corn  Roundup RReady2Yield  soybean  Yield  Corn  Biofuels (amylase)  Corn  Seed oil composition  soybean  Dicamba resistance  soybean  Drought Tolerance  corn and soybean  Nitrogen utilization  Corn  SmartStax (8 genes)  corn

18. F1 Seed F1 Hybrid

20.  Corn  April 1 to May 1: Western KY  April 15 to May 15: Central and Eastern KY

21. Average Planting Date Princeton, KY Corn Yield (Bu/Acre)* (6 -Yr Avg.) (2000 - 2005) Avg. Loss (Bu/A) April 7196-14 April 222100 May 9193-17 May 24172-38 June 9130-80 *Average of 2 hybrids (Bt & Non-Bt) 21 Herbek and Bessin

22.  Princeton  Lexington May 1 - 7 April 19 - 25

24.  Corn : 24,000 – 30,000 plants/acre  Full Season Soybean: 100,000 plants/acre  Double crop soybean: 180,000 plants/acre

26. Nutrient$/lblb/acre$/acre N0.4515067.50 P0.503015.00 K0.30309.00 91.50 Nutrient$/lblb/acre$/acre N0.4515067.50 P0.5010050.00 K0.3010030.00 147.50 You cannot afford to over-fertilize... You cannot afford to under-fertilize...

27. 1. Good genetics 2. Maximize days suitable for growing 3. 90 to 95% light interception at silking (R1) 4. Adequate nutrients, water and air to complete plant growth and seed fill 27