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Issue No. 12/June 24, 2011

Reminder: Weed Science Field Day Next Week at Urbana
Tours of research plots will be followed by lunch at the University of Illinois Weed Science Field Day on Wednesday, June 29, beginning at 8:00. The cost is $10.

Northwest Research Center Field Day Coming Up on July 20
The University of Illinois Northwest Research Center in Monmouth will host its field day on Wednesday, July 20, starting at 8:00.

Brownstown Agronomy Research Center Field Day on July 28
Field tours beginning at 9:00 will highlight agronomic research at the Brownstown Agronomy Research Center Field Day on Thursday, July 28. A free lunch follows.

Mark Your Calendar for the Next AGMasters Conference
The third University of Illinois AGMasters Conference will be held on December 5 and 6. Suggestions for speakers and topics are invited.

New and Old Threats to Soybean Production
Soybean aphid, soybean rust, soybean cyst nematode, Sclerotinia stem rot, and red leaf blotch (so far found only in Africa) are the top biotic constraints that may affect current and future soybean production.

Soybean Aphids Found in North-Central Region at Low Levels
Though levels in the north-central U.S. so far are low, it's too early to ignore soybean aphids this season.

The Importance of Sunlight
While sunlight clearly affects productivity, it appears to be less important than temperature and rainfall. But these factors are correlated, so singling out the most important one to determining yield is difficult.