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The Insects Were Quiet This Summer, Until…Notes on Corn Leaf Aphid, Spider Mites, Fall Armyworm, and Soybean Aphids
reaching high numbers in our test plots and in other locations in Ohio. This outbreak is not restricted to ... test plots. We have 14 Ohio counties participating in a fall armyworm flight monitoring program, and ... soybean test plots. While we don’t expect huge trouble, keep half an eye on your soybean plants. Examine ...
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Fertilization
https://agcrops.osu.edu/node/4389
before planting when the soil-test level is below 50 ppm. Recommendations are determined by yield goal ... removal). Yield Potential (bu/ac) Soil CEC Soil-Test K (ppm) 25 50 75 100 125 150 175 60 lb ... ―Both Grain and Straw Removed. Yield Potential (bu/ac) Soil CEC Soil-Test K (ppm) 25 50 75 100 125 150 ...
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Battle for the Belt: Season 2, Episode 19- Corn Development and Water Use
shoot initiation between V4-V6 stage. The shoots will eventually become harvestable ears. Along with the ... pollination is successful. Then grain fill will begin after pollination. Kernel abortion can occur between R1 ... components, water loss from soil or evaporation and water loss from the crop or transpiration. Therefore these ...
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Strong Storm Damage to Corn – What to expect?
R2–R4 – – 15–16 30–38 33 Regardless of the lodging type, ears will become closer to the soil surface and ... losses as a result of greensnap suggested a more detrimental impact at seeding rates between 24,000 and ...
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Fertilization Recommendations
https://agcrops.osu.edu/node/4348
Magnesium (Mg) Soybeans require a minimum exchangeable soil test level of 200 and 50 ppm (400 and 100 ... Recommendations for Soybeans. Yield Potential (bu/ac) Soil test (Bray P) 30 40 50 60 70 ppm (lb/ac) ... Cation Exchange Capacities (CECs) and Soil-Test Levels. Yield Potential bu/ ac 30 40 50 60 ...
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Soybean Vein Necrosis Virus and Downy Mildew
that it has reduced seed size and quality if present early in the season and at high levels. Effective ...
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A Wetter Pattern Returns But Drought Persists
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-26/wetter-pattern-returns-drought-persists
counties on Friday. Conditions will turn mostly dry for the weekend, while temperatures and humidity levels ... near normal precipitation (Figure 3). Climate averages include a high-temperature range of 83-86°F, ...
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Nutrient Value of Wheat Straw
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-21/nutrient-value-wheat-straw
lower soil K levels. If straw is removed after heavy rainfall, some of the K may have leached out of the ... straw, lowering the nutrient value. However, a soil test should be done to accurately estimate nutrient ... scenarios are also available for profitability comparisons. Although N adds value, we do not give it an ...
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Farm Science Review Agronomy College Sept 10
Participants will rotate between sessions throughout the day. Sessions are listed below and will be presented ...
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Spring Forage Establishment
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-forage-establishment
Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium the optimal range is 100-130 ppm for sandy soils with a CEC less than 5, for loam and clay soils ...