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  1. Adapting Burndown Programs to Late-Planted Situations

    https://agcrops.osu.edu/newsletter/corn-newsletter/13-2021/adapting-burndown-programs-late-planted-situations

    to kill in May, so this is an issue primarily in fields not treated last fall.  The good news is that ... be to plant corn first as soon fields are fit, and delay soybean planting so that 2,4-D could still ... activity of some residual corn herbicides (e.g. atrazine, mesotrione) on emerged weeds; 2), the ability to ...

  2. Growing Degree Days vs. Calendar Days – How Long Will Emergence Take?

    https://agcrops.osu.edu/newsletter/corn-newsletter/13-2021/growing-degree-days-vs-calendar-days-%E2%80%93-how-long-will-emergence

    When we examine crop emergence post-planting, two factors can impact speed of emergence – soil ... emergence to occur meaning rowing corn may take a little more time. In the Ohio Agronomy Guide, emergence ... dramatically affect how quickly crops will emerge. For example, at a temperature of 60 degrees F heat unit ...

  3. Numbers of Black Cutworm and True Armyworm Moths Increasing but Remain Relatively Low

    https://agcrops.osu.edu/newsletter/corn-newsletter/13-2021/numbers-black-cutworm-and-true-armyworm-moths-increasing-remain

    monitor these counts and check both corn and wheat fields for any early appearance of feeding or damage. ...  On wheat or a rye cover crop, look for evidence of defoliation. Armyworms can often be found on the ... cutworms are more difficult to spot, so look for the presence of corn that has been cut, or holes near the ...

  4. Weather and herbicides – what to do (or not) this week

    https://agcrops.osu.edu/newsletter/corn-newsletter/10-2021/weather-and-herbicides-%E2%80%93-what-do-or-not-week

    safely used on the crop in the first place.  For some herbicides, there is such a large margin of safety ... herbicides prior to this cold snap.  Some things we know about herbicides and cold weather:- Herbicides ... applied to an emerged crop just prior to or during cold weather may be more injurious compared with ...

  5. Are Periodical Cicadas a Threat to Field Crops?

    https://agcrops.osu.edu/newsletter/corn-newsletter/12-2021/are-periodical-cicadas-threat-field-crops

    Are periodical cicadas a threat to field crops? The quick and dirty answer to this question is NO. ... egg stage to the adult stage. Some people mistakenly refer to this insect as a locust. Unfortunately, ... woodlots.  What does this preclude? We will not find periodical cicadas in crop fields, pastures, landscapes ...

  6. Estimating Fiber Content of Alfalfa in Fields Across Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/13-2021/estimating-fiber-content-alfalfa-fields-across-ohio

    Alfalfa stands in Ohio had some early growth due to the warmer temperature in early April. ... fiber (NDF) of the standing crop. This method uses height and maturity stage to estimate NDF in pure ...

  7. New FactSheet is published on Nutrient Removal for Field Crops in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/10-2021/new-factsheet-published-nutrient-removal-field-crops-ohio

    An update for nutrient recommendations for Ohio's major field crops (corn, soybean, wheat, ... other agronomic crops beyond corn, soybean, wheat and alfalfa, titled “Nutrient Removal for Field Crops ... crops. Critical soil test levels have not been recently evaluated for the additional crops beyond corn ...

  8. Alfalfa Weevil Infestations Becoming Severe in Some Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/12-2021/alfalfa-weevil-infestations-becoming-severe-some-fields

    Alfalfa fields across Ohio have been observed with alfalfa weevil infestations, some with high ... damage.  For more information on scouting and signs of damage, see the April 20 article in this newsletter: ... (https://agcrops.osu.edu/newsletter/corn-newsletter/10-2021/alfalfa-weevil-%E2%80%93-it%E2%80%99 ...

  9. Will Forage Stands Be Damaged by Predicted Freezes?

    https://agcrops.osu.edu/newsletter/corn-newsletter/10-2021/will-forage-stands-be-damaged-predicted-freezes

    frost injury to both annual forage crops (e.g. winter rye and winter triticale) and perennials forages. ... The shoots and their growing points might be completely killed, but it is rare that the entire crown ... is killed unless the stand vigor is very poor.      Several days to a week after the freeze event(s) ...

  10. 2021 Overholt Drainage Workshop

    https://agcrops.osu.edu/events/2021-overholt-drainage-workshop

    representing state and federal agencies, drainage contractors, and tile manufacturers will discuss some ...     AGENDA How drainage design affects crop yield and economics? Larry Brown, Professor and Extension ...

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