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Fertilizing Tobacco to Meet Today’s Needs

Fertilizing Tobacco to Meet Today’s Needs. Cover Crops. A Disk or a Compaction Tool?. Compaction Created with a Disk. Soil Penetration Resistance Eden Shale Farm 1985. No Deep Roots for Dry Periods. Fertilization. A Good Burley Crop 3000 lb/a Removes. 200 lbs of N 35 lbs of P 2 O 5

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Fertilizing Tobacco to Meet Today’s Needs

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  1. Fertilizing Tobacco to Meet Today’s Needs

  2. Cover Crops

  3. A Disk or a Compaction Tool?

  4. Compaction Created with a Disk

  5. Soil Penetration ResistanceEden Shale Farm 1985

  6. No Deep Roots for Dry Periods

  7. Fertilization

  8. A Good Burley Crop 3000 lb/aRemoves • 200 lbs of N • 35 lbs of P2O5 • 240 lbs of K20

  9. N Deficiency or Drought?

  10. Irrigation Started Late

  11. Recommended N Rates

  12. Effects of Nitrogen Rates on Burley Tobacco at Spindletop Farm 1991 1992

  13. Equivalent Acidity or Basicity of Fertilizers

  14. Nitrogen Sources as a Sidedressing on Burley TobaccoLaurel Co. - Dean Cornett Farm BROADCAST + (SIDEDRESS) LSD 0.05 = 92 429 420 808

  15. Cost & Returns From DifferentSources of NitrogenLaurel Co. - Dean Cornett Farm

  16. Effects of Nitrogen Application on Soil pH All plots received 150 lbs P2O5 and 250 lbs K20

  17. Effect of Liming an Acid Soil Prior to Use of Urea and Sodium Nitrate Sources of Nitrogen Both N sources applied at 225 lb N/A pre-plant.

  18. Effect of Liming an Acid Soil Prior to Use of Urea and Sodium Nitrate Sources of Nitrogen Both N sources applied at 225 lb N/A pre-plant. Soil pH (water) measured at midseason of each year. Soil pH before liming was 5.4.

  19. Manganese Toxicity

  20. Agricultural Lime

  21. Rank Green Tobacco at Harvest

  22. Fat Stem Cause Poor Curing

  23. Foliar Feeding TrialCLAY CO. - BOBBY REID FARM CK=CHECK, NL=NUTRA LEAF, GG=GRO-GREEN FOLIAR FERTILIZER APPLIED 2 LB ACTUAL N/ ACRE AT 4 AND 10 WEEKS LSD 0.05 = 144 276 171 395

  24. Phosphorus Deficiency

  25. Potassium Deficiency

  26. Potassium-Nitrogen Interactions Evanylo & Sims (1987)

  27. Boron Deficiency

  28. Calcium Deficiency

  29. Tobacco Information Online • www.uky.edu/Ag/Tobacco/ • www.uky.edu/Ag/TobaccoProd/

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