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Improve phosphorus management decisionsPhosphorus is an essential nutrient in the soybean's metabolic process, affecting yield and growth if there's a deficiency in the soil. This latest Focus on Soybean presentation by Robert Mullen, Ph.D., director of agronomy at PotashCorp, provides growers and consultants an understanding of how to make decisions when it comes to supplying phosphorus for soybean production. Specific points covered in this talk include: --Phosphorus behavior in soil; --How soil test critical levels are established; and --What phosphorus does for the crop. This 40-minute presentation is open access through Dec. 31. Viewers can also opt to see a 5-minute executive summary version of this presentation. This shorter executive summary version is permanently open access courtesy of the United Soybean Board. View this presentation at http://www.plantmanagementnetwork.org/edcenter/seminars/soybean/PhosphorusFertility. View other presentations in the Focus on Soybean resource at http://www.plantmanagementnetwork.org/fos. Focus on Soybean is a publication of the Plant Management Network (http://www.plantmanagementnetwork.org), a nonprofit online publisher whose mission is to enhance the health, management, and production of agricultural and horticultural crops. It achieves this mission through its applied, science-based resources, like Focus on Soybean. PMN is jointly managed by the American Phytopathological Society, American Society of Agronomy, and Crop Science Society of America. PMN is also a partner of the United Soybean Board, as well as more than 80 other organizations, which include universities, nonprofits, and agribusinesses. Date: 10/8/2012
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