http://www.ipm.iastate.edu/ipm/icm/taxonomy/term/667/feed The taxonomy view with a depth of 0. en http://www.ipm.iastate.edu/ipm/icm/2007/10-1/kp.html Careful management of phosphorous and potassium is needed for economic reasons. Antonio P. Mallarino Corn Fertilizer IC-498(24) -- October 1, 2007 John E. Sawyer Phosphorus Potassium Soils Thu, 04 Oct 2007 09:07:12 -0500 jvandyk 2602 at http://www.ipm.iastate.edu/ipm/icm http://www.ipm.iastate.edu/ipm/icm/2007/10-1/kp.html Careful management of phosphorous and potassium is needed for economic reasons. Antonio P. Mallarino Corn Fertilizer IC-498(24) -- October 1, 2007 John E. Sawyer Phosphorus Potassium Soils Thu, 04 Oct 2007 09:07:12 -0500 jvandyk 2602 at http://www.ipm.iastate.edu/ipm/icm http://www.ipm.iastate.edu/ipm/icm/2007/10-1/kp.html Careful management of phosphorous and potassium is needed for economic reasons. Antonio P. Mallarino Corn Fertilizer IC-498(24) -- October 1, 2007 John E. Sawyer Phosphorus Potassium Soils Thu, 04 Oct 2007 09:07:12 -0500 jvandyk 2602 at http://www.ipm.iastate.edu/ipm/icm http://www.ipm.iastate.edu/ipm/icm/2002/2-18-2002/nrate.html Evidence favors in-season N application over preseason application. 2002 Alfred M. Blackmer Brad Van De Woestyne Crop Production Fertilizer IC-488 (2) -- February 18, 2002 Nitrogen Sun, 17 Feb 2002 13:00:00 -0600 jvandyk 1758 at http://www.ipm.iastate.edu/ipm/icm http://www.ipm.iastate.edu/ipm/icm/2002/2-18-2002/nrate.html Evidence favors in-season N application over preseason application. 2002 Alfred M. Blackmer Brad Van De Woestyne Crop Production Fertilizer IC-488 (2) -- February 18, 2002 Nitrogen Sun, 17 Feb 2002 13:00:00 -0600 jvandyk 1758 at http://www.ipm.iastate.edu/ipm/icm