| Fall nitrification happened | IC-488 (1) -- January 21, 2002 |
| Water quality in the eastern Iowa basins | IC-486(23) -- October 22, 2001 |
| Application checkpoints for fall ammonia | IC-486(23) -- October 22, 2001 |
| Nitrogen application questions | IC-486(23) -- October 22, 2001 |
| Water quality in the eastern Iowa basins | IC-486(23) -- October 22, 2001 |
| Why 50 degrees Fahrenheit? | IC-486(23) -- October 22, 2001 |
| Water quality in the eastern Iowa basins | IC-486(23) -- October 22, 2001 |
| Water quality in the eastern Iowa basins | IC-486(23) -- October 22, 2001 |
| N management influences on N losses through tile lines | IC-486(21) -- August 20, 2001 |
| N management influences on N losses through tile lines | IC-486(21) -- August 20, 2001 |
| It is not too late to apply nitrogen for 2001 | IC-486(16) -- July 2, 2001 |
| Corn roots are just reaching anhydrous bands | IC-486(15) -- June 25, 2001 |
| Nitrogen losses in 2001 | IC-486(14) -- June 18, 2001 |
| Post-plant nitrogen applications on corn | IC-486 (9) -- May 14, 2001 |
| Value of crop rotation in nitrogen management | IC-486 (6) -- April 23, 2001 |
| Value of crop rotation in nitrogen management | IC-486 (6) -- April 23, 2001 |
| Equipment considerations: liquid fertilizer | IC-486 (5) -- April 16, 2001 |
| Equipment considerations: liquid fertilizer | IC-486 (5) -- April 16, 2001 |
| Equipment considerations: anhydrous ammonia | IC-486 (4) -- April 9, 2001 |
| Equipment considerations: dry granual fertilizer | IC-486 (4) -- April 9, 2001 |
| Equipment considerations: anhydrous ammonia | IC-486 (4) -- April 9, 2001 |
| Equipment considerations: dry granual fertilizer | IC-486 (4) -- April 9, 2001 |
| Equipment considerations: anhydrous ammonia | IC-486 (4) -- April 9, 2001 |
| Early season losses of nitrogen | IC-486 (2) -- February 26, 2001 |
| Impact of soil management practices on yield | IC-486 (2) -- February 26, 2001 |
| Nitrogen fertilizer management options | IC-486 (2) -- February 26, 2001 |
| Making every fertilizer nitrogen dollar pay | IC-486 (1) -- January 29, 2001 |
| Optimal N rates in dry years | IC-486 (1) -- January 29, 2001 |
| Save nitrogen dollars after manure | IC-486 (1) -- January 29, 2001 |
| Anhydrous application and dry soils | IC-484(23) -- October 23, 2000 |
| Soil pH and losses of fall-applied ammonia | IC-484(21) -- August 21, 2000 |
| Soil pH and losses of fall-applied ammonia | IC-484(21) -- August 21, 2000 |
| Soil pH and losses of fall-applied ammonia | IC-484(21) -- August 21, 2000 |
| Is fall nitrogen profitable? | IC-484(20) -- August 7, 2000 |
| What about N losses in 2000? | IC-484(16) -- July 3, 2000 |
| Hold nitrogen on manured cornfields in 2000 | IC-484 (2) -- February 28, 2000 |
| Estimating nitrogen losses | IC-482(14) -- June 14, 1999 |
| Monitoring nitrogen deficiencies in corn | IC-482 (PrecisAg) -- May 5, 1999 |
| Visually rating nitrogen sufficiency | IC-478(19) -- July 28, 1997 |
| Why use the ear-leaf test at silking? | IC-478(18) -- July 21, 1997 |
| Basics of corn tissue testing | IC-478(17) -- July 14, 1997 |
| Nitrogen availability from organic fertilizers | IC-478(14) -- June 23, 1997 |
| What about N credits following soybean? | IC-478(13) -- June 16, 1997 |
| Nitrogen recommendations for addressing weather | IC-478(12) -- June 9, 1997 |
| Check N levels in manured cornfields this June | IC-478 (9) -- May 19, 1997 |
| End-of-season cornstalk test fact sheet | IC-476(24) -- October 7, 1996 |
| Corn planting after ammonia application | IC-471 (6) -- April 21, 1995 |
| Timing planting with anhydrous ammonia applications | IC-467 (6) -- April 16, 1993 |
| Timing planting with anhydrous ammonia applications - 1993 | IC-467 (7) -- April 16, 1993 |
