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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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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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Fertility Recommendations
https://agcrops.osu.edu/node/4423
surface residues are high. Soils that have moderate to high levels of soil test phosphorus and potassium ... current soil test levels. Considering it takes between 8 to 20 pounds of P2O5 and 5 to 10 pounds of K2O ... benefit of starter fertilizers increases when soil test levels and soil temperatures are low and when soil ...
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Dry Weather Impacts on Corn and Soybean Establishment and Wheat Grain Fill
conditions, especially those in the central Corn Belt (Figure 2). Soil surface conditions are the most ... affected at this point. Moving a little deeper into the soil profile, better moisture is available. ... April is between V3 and V5 growth stages. Fortunately, corn is moderately tolerant to dry conditions ...
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Done with Planting? Collect Soil Sample for SCN Test and Learn How Your Samples Are Processed in the Lab!
a good time to sample for SCN. A soil test in spring will reveal if SCN is present and if so, at what ... levels. If you are planning to participate in an on-farm trial that requires soil sampling, a subsample can ... be used for SCN testing. Additionally, if you planted corn, a soil sample from that field will reveal ...
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Weather Update: Heat Exacerbates Drying Trend
temperatures back to near to below-average levels. Highs this week will mainly range from the upper 60s to ... Saturday when highs reached the low to mid-90s across the state. Along with the heat came very dry air; for ... soil moisture, lower streamflows, and lead to volunteer water use reductions in some communities. ...
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Production of Other Small Grain Species
https://agcrops.osu.edu/node/4396
160 Rye 30 45 60 Soil Test Value Annual Recommendation (lb P2O5/ac) lb P/ac ppm 30 15 ... -------------CEC--------------------------CEC--------------------------CEC------------- Soil Test Value 10 20 30 10 20 30 10 20 30 lb K/ac ppm-----------------------------Annual ... Recommendation (lb K2O/ac)---------------------------- 50 25 150 190 230 160 195 240 165 255 300 150 75 75 ...
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Interested in Soil Health? Learn together with OSU Extension
values. In general, soil test levels were in optimal ranges for grain crops in Ohio (Culman et al., 2020). ... and ultimately crop yields. OSU Extension has worked to identify a few soil tests that can provide ... helpful indicators of improved soil health. Though several health tests exist, we focused on tests that ...
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Late Spring Dry Spell Underway
https://agcrops.osu.edu/newsletter/corn-newsletter/2023-16/late-spring-dry-spell-underway
Memorial Day felt like the typical unofficial start to summer, with highs well into the 80s across ... (Figure 1). Precipitation over the last 30- and 60-days is running 50-75% of normal across most of Ohio, ... highs warming into the mid to upper 80s throughout the week, and getting into the low 90s this weekend ...
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Weed Management in Dry Conditions
https://agcrops.osu.edu/newsletter/corn-newsletter/2023-17/weed-management-dry-conditions
of the soil and have small seeds. The emergence of large-seeded species and those at lower depths ... Rain will still be needed to incorporate later-applied residual herbicides into the soil profile. POST ... early or late in the day may reduce the risk of injury. Antagonism – dry conditions can exacerbate ...