How and why a single leaf infected with Asian soybean rust was found in Iowa in March are questions that continue to be addressed by federal investigators.
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The increased planting of Round-Up Ready corn and other transgenics that are glyphosate-resistant is creating challenges for growers who need to kill a failed corn stand before replanting.
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The last week we have seen tremendous progress finishing up corn planting and getting a great start into soybean planting.
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I had the opportunity to travel via a rather circuitous route to NW Iowa last weekend and have a few observations.
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Insects and weeds are common pests that can cause major expenses for crop producers. To help producers make reasonable judgments concerning pest control and pesticide use, scientists developed the concept of integrated pest management.
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Replanting of crappy (aka less than desirable) stands of corn occurs somewhere in Indiana every year.
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Mild, seasonable temperatures have profoundly influenced crop development and insect populations in the past few weeks.
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UK plant diagnosticians have found spring black stem and Lepto leaf spot in alfalfa samples examined in the past week.
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One of several requirements for uniformly quick germination in corn (Nielsen, 2007a) is uniformly adequate soil moisture in the seed zone. When seedbed soil moisture is variable (too dry vs. just right or too wet vs. just right), germination and emergence will also be variable.
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Here’s an article from a few years ago about the subject from the University of Minnesota.
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