| How do uncertain prices influence phosphorus and potassium fertilization this fall? | IC-498(24) -- October 1, 2007 |
| How do uncertain prices influence phosphorus and potassium fertilization this fall? | IC-498(24) -- October 1, 2007 |
| How do uncertain prices influence phosphorus and potassium fertilization this fall? | IC-498(24) -- October 1, 2007 |
| Upcoming nutrient management workshops | IC-498 (9) -- May 7, 2007 |
| Upcoming nutrient management workshops | IC-498 (9) -- May 7, 2007 |
| Upcoming RUSLE2 and Iowa Phosphorus Index workshop | IC-498 (2) -- February 26, 2007 |
| Phosphorus management publication now available | IC-496 (8) -- April 24, 2006 |
| Foliar fertilization of soybean: Is it useful to supplement primary fertilization? | IC-494(15) -- June 20, 2005 |
| Foliar fertilization of soybean: Is it useful to supplement primary fertilization? | IC-494(15) -- June 20, 2005 |
| Interpreting results of the Mehlich-3 ICP Soil Phosphorus Test | IC-490(24) -- November 17, 2003 |
| Hailed-out soybean fields | IC-488(22) -- October 21, 2002 |
| Hailed-out soybean fields | IC-488(22) -- October 21, 2002 |
| Hailed-out soybean fields | IC-488(22) -- October 21, 2002 |
| 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 |
| 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 |
| Phosphorus - Why the concern about water quality? | IC-486(21) -- August 20, 2001 |
| Watershed-scale phosphorus management | IC-486(18) -- July 16, 2001 |
| Phosphorus losses to surface water | IC-486 (9) -- May 14, 2001 |
| Phosphorus and swine feeding | IC-486 (5) -- April 16, 2001 |
| Soil resources of phosphorus | IC-486 (2) -- February 26, 2001 |
| Phosphorus in aquatic systems | IC-484(25) -- December 18, 2000 |
| Management of phosphorus for crop production | IC-484(23) -- October 23, 2000 |
| Corn and soybean responses to deep-band phosphorus and potassium | IC-484(22) -- September 18, 2000 |
| Corn and soybean responses to deep-band phosphorus and potassium | IC-484(22) -- September 18, 2000 |
| Corn and soybean responses to deep-band phosphorus and potassium | IC-484(22) -- September 18, 2000 |
| Phosphorus Basics | IC-484(20) -- August 7, 2000 |
| Why manage phosphorus? | IC-484 (6) -- April 24, 2000 |
| Effective use of precision agriculture for improved management of phosphorus, potassium, and lime | IC-482 (PrecisAg) -- May 5, 1999 |
| Effective use of precision agriculture for improved management of phosphorus, potassium, and lime | IC-482 (PrecisAg) -- May 5, 1999 |
| Effective use of precision agriculture for improved management of phosphorus, potassium, and lime | IC-482 (PrecisAg) -- May 5, 1999 |
