Funded by the Illinois Soybean Association checkoff program.
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July 22, 2014 Now is the time of year to play Monday morning quarterback in discussing what decisions you made going into planting season. While doing this for a pro-football game will do little to no good, evaluating the decisions you made for your crop can put money in your pocket in the future. One of the biggest things you can easily evaluate is iron deficiency chlorosis (IDC) of soybeans. In a nutshell, this abnormality is caused by a lack of... |
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July 22, 2014 While it is sometimes easy to visually identify nutrient deficiencies in soybeans, tissue sampling validates nutrient concentrations and limitations and allows you to make nutrient adjustments that can increase soybean yields. In this two-minute video, ISA Technical Consultant Dan Davidson, Ph.D., explains how to pull tissue samples and why sampling plays an important role in identifying and treating... |
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July 17, 2014 We are into July, and soybeans are into reproductive development. Soybean plants soon will enter the most critical time for yield from R4 to R5. Pods that were set during late R2 and R3 begin to set seed at this time and will make up the bulk of the yield. There are some differences in opinion about when soybeans actually begin and end flowering. One of the major triggers is summer solstice, when night... |
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July 17, 2014 Major weather events seem to be more common including rainfall that exceeds 2 or 3 inches and maybe hits 6 to 8 inches, high winds or tornadoes, excessive heat /drought or even abnormal cold during the season. We have been experiencing more frequent weather events the past few years and those can have an impact on the crop. But what happens when you get 6 to 8 inches of rain in one fell swoop, like what... |
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July 17, 2014 You don’t have to drive far in Illinois to see that soybeans are struggling with unseasonably wet conditions. Many fields have large yellow areas. Standing water creates high stress conditions for a soybean field; but even in areas without visible standing water, soybeans are appearing yellowed and stunted. According to Fred Below, professor of crop sciences at the University of Illinois, many Illinois soybean fields are showing... |
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July 16, 2014 The wet season has delayed crop development and postemergence herbicide applications in many soybean fields, and there are some large giant ragweed waiting to be treated. Roundup Ready and Liberty Link fields in this situation should generally be treated with the maximum rate of herbicide allowed – 1.5 lbs ae/A of glyphosate or 36 oz of Liberty. Giant ragweed populations vary in their response to glyphosate, from being fairly sensitive... |
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