http://www.croplife.com/crop-inputs/fertilizer/fertility-expert-good-time-...
Sep 24, 2010 ... With a promising harvest under way, it's a good time to replenish fields with
phosphorus and potassium, says Fabian Fernandez, University of ...
http://www.croplife.com/crop-inputs/fertilizer/iowa-state-research-proves-...
Oct 10, 2013 ... While it has been known for decades that drying can change the chemistry of soil,
altering the amount of extractable potassium (K), it's just been ...
http://www.croplife.com/?attachment_id=33084
Apr 20, 2012 ... One of the most common signs of K deficiency is the yellow scorching or firing (
chlorosis) along the leaf margin while the mid-rib stays green.
http://www.croplife.com/crop-inputs/the-need-for-nutrients/
Oct 1, 2013 ... Rootworm larva feeding inhibits the corn plant's ability to take up water and
nutrients, including potassium, decreasing plants' ability to grow, ...
http://www.croplife.com/uncategorized/p-k-soil-tests-could-cut-costs/
Oct 15, 2008 ... "A soil test is critical to making sure soil pH is good for crop production and
managing fertilizer nutrients like potassium and phosphorus," says ...
http://www.croplife.com/crop-inputs/fertilizer/strip-till-improves-soybean...
Apr 10, 2012 ... In a three-year field experiment conducted near Urbana with soy following corn,
they applied different rates of potassium and phosphorus in ...
http://www.croplife.com/crop-inputs/2013-ag-retail-outlook-rethinking-soil...
Jan 2, 2013 ... Potassium levels were even worse, with more than 50% testing at 170 ppm ...
and 55% of the potassium soil analysis results were at the critical ...
http://www.croplife.com/sponsored/potashcorp/7-keys-to-delivering-effectiv...
May 1, 2013 ... “The balances for phosphorus and potassium in much of the U.S. Corn Belt have
become decidedly negative, and our soil test summaries have ...
http://www.croplife.com/crop-inputs/9-basic-components-of-a-nutrient-manag...
Feb 5, 2014 ... A nutrient management plan for nitrogen (N), phosphorus (P) and potassium (K)
should consider all potential sources of nutrients including, but ...
http://www.croplife.com/crop-inputs/fertilizer/dont-have-all-your-fertiliz...
Feb 6, 2008 ... Supplies of nitrogen fertilizers, as well as phosphorus and potassium fertilizers,
are tight throughout the U.S., making this the time to plan ahead ...