| Sediment and total maximum daily loads | IC-486(25) -- December 24, 2001 |
| Winter grazing and pasture erosion | IC-486(24) -- November 19, 2001 |
| Application checkpoints for fall ammonia | IC-486(23) -- October 22, 2001 |
| Nitrogen application questions | IC-486(23) -- October 22, 2001 |
| Tillage in 2002 - consider the options | 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 |
| Plan for 2002 residue before harvest | IC-486(22) -- September 17, 2001 |
| Fall tillage and tillage equipment | IC-486(21) -- August 20, 2001 |
| N management influences on N losses through tile lines | IC-486(21) -- August 20, 2001 |
| Phosphorus - Why the concern about water quality? | IC-486(21) -- August 20, 2001 |
| Managing pasture to reduce soil erosion | IC-486(20) -- July 30, 2001 |
| Consider permanent vegetation for steeply sloping soils | IC-486(18) -- July 16, 2001 |
| Watershed-scale phosphorus management | IC-486(18) -- July 16, 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 |
| Soil nitrate concentrations are low this year | IC-486(14) -- June 18, 2001 |
| Wet soils vulnerable to compaction | IC-486(13) -- June 11, 2001 |
| Soil moisture conditions in late spring 2001 | IC-486(12) -- June 4, 2001 |
| Timing cultivation to complement conservation plans | IC-486(11) -- May 28, 2001 |
| Preventing soil erosion after spring rains | IC-486(10) -- May 21, 2001 |
| Phosphorus losses to surface water | IC-486 (9) -- May 14, 2001 |
| Post-plant nitrogen applications on corn | IC-486 (9) -- May 14, 2001 |
| Watch for damage from broadcast postemerge UAN applications | IC-486 (9) -- May 14, 2001 |
| Use the rotary hoe for soil crusting | IC-486 (8) -- May 7, 2001 |
| How did your waterways fare this spring? | IC-486 (7) -- April 30, 2001 |
| Dealing with wet soils | 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 |
| Phosphorus and swine feeding | IC-486 (5) -- April 16, 2001 |
| 2001 Agriculture and the Environment conference | 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 |
| Early season losses of nitrogen | IC-486 (2) -- February 26, 2001 |
| Impact of soil management practices on yield | IC-486 (2) -- February 26, 2001 |
| Nitrate testing: early versus late spring | IC-486 (2) -- February 26, 2001 |
| Nitrogen fertilizer management options | IC-486 (2) -- February 26, 2001 |
| Soil erosion and water quality | IC-486 (2) -- February 26, 2001 |
| Soil resources of phosphorus | IC-486 (2) -- February 26, 2001 |
| Making every fertilizer nitrogen dollar pay | IC-486 (1) -- January 29, 2001 |
| Natural gas prices affect nitrogen fertilizer costs | 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 |
| Soil erosion and crop productivity: topsoil thickness | IC-486 (1) -- January 29, 2001 |
