General Crop Production Extension:
Many factors contribute to advancing corn yields.
Martha Blum, AGRI-NEWS, Jan. 4, 2011. Article based on an invited
presentation by Dr. Vyn to the American Seed Trade Association 65th
Corn & Sorghum Research Conference, Chicago, IL on Dec. 9, 2010
Ciampitti, Ignacio, Yanbing Xia, Jim Camberato, and Tony J. Vyn. 2010. “Plant density consequences on nitrogen uptake dynamics of maize plants from vegetative to reproductive stages”. Proceedings, 40th North Central Extension-Industry Soil Fertility Conference, Des Moines, Iowa. November 17-18, 2010. PDF
Purdue: Does no-till stunt growth in corn fields?
Feb. 18, 2010 (Other News) Farm and Dairy.
Murrell, T.S., and T. J. Vyn. 2010. Precision management of root zone potassium for corn: Considerations for the future. Better Crops Vol. 94 (No. 4), p. 24-25. http://www.ipni.net/ppiweb/bcrops.nsf/$webindex/7C1B2FB0205F44F3852577EB00574F8F/$file/BC+4+2010+pg+24.pdf
Increasing corn yields. Author: Cindy, Corn
Commentary, National Corn Growers Association (November 25, 2009)
Manganese deficiency in soybeans? Experts advise foliar application.” Ag Answers (April 16, 2009) Agricultural Communications Staff writer: Julie Douglas. http://www.agriculture.purdue.edu/aganswers/story.asp?storyID=5313
Boomsma, C.R., and Tony J. Vyn. 2007. Plant population influences on maize physiological responses to nitrogen application. Proceedings of the North Central Extension-Industry Soil Fertility Conference held Nov. 14-15, 2007 in Des Moines, IA. Proceedings Vol. 23:136-144.
Yin, X., and T.J. Vyn. 2005. Critical leaf potassium is higher in no-till soybean. Better Crops 89 (2):1-5.
Yin, X., and T.J. Vyn. 2005. High soybean yield can mean higher concentrations of isoflavones. Better Crops 89 (4):13-15.
Rethinking Rotations : Less Soybean and More Corn in the Corn-Belt?Vyn, Tony J. 2004. Pages 7-9 in Pest and Crop Newsletter No. 26 (Oct. 22, 2004), Purdue University.
“Don’t take out poor no-till performance on your soil” Successful Farming Agriculture On-line (March 16, 2004) available at http://www.agriculture.com/default.sph/AgNews.class?FNC=sideBarMore__ANewsindex_html___51436
Management Considerations for Relay Intercropping: I. Wheat, A.M. Kline, S.M. McCoy, T.J. Vyn, T.D. West, E.P. Christmas (April 2003)
Management Considerations for Relay Intercropping: II.
Soybean, S.M. McCoy, T.J. Vyn, A.M. Kline, T.D. West, E.P. Christmas
Comments on Crop Stress Avoidance (tillage, fertility, etc.) Based on Interview Jan. 06, 2003
Purdue Experts: Harvest Wetter to Avoid More Yield Loss
Crop Response to Moisture Stress (July 24, 2002)
Corn Planting Recommendations When Wet Spring Delays Planting (Agriculture Online News, June 4, 2002)]
Rules for Planting Corn in a Wet Spring (Ag Answers, May 23, 2002)
Nitrogen Management for Corn in a Wet Spring (Ag Answers, May 23, 2002)
Nitrogen Recommendations for Corn in a Wet Spring (AgWeb.com, May 23, 2002)
Sidedressing Nitrogen in a Wet Spring (Agriculture
online News, May 23, 2002)
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