Elwyn Taylor, Iowa State University climatologist, reported that 200-bushel corn needs 19 to 23 inches of water during the growing season. For 200-bushel corn at 75 degree F (soil temperature), corn needs 1-acre inch of water per week, doubling to 2 inches at 85 degrees F, and doubling again to 4 inches at 95 degrees F. Read more in this article from Ohio's Country Journal.
According to the University of Nebraska, occasional tillage (OT) in no-till systems may be useful and unlikely to be detrimental if it is well-planned, implemented to target a well-characterized problem such as a weed control or compaction and erosion is controlled.
A study from the University of Florida indicates that Palmer amaranth can evolve life-history traits to increase its potential to grow and reproduce in various cropping systems.
Resistant pigweed has become a big problem in many parts of western Texas and presents a formidable challenge for the fledging no-till movement developing in that area of the state.
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On this episode of Conservation Ag Update, brought to you by Martin-Till, Brian and Darren Hefty, fourth-generation farmers and hosts of Ag PhD, share tips for treating tar spot in corn.
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