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Wheat Planting Management Considerations for Fall 2023
than corn or soybean, and soil test levels should be maintained between 30-50 ppm (Mehlich-3 P) for ... optimum production (Table 1). Do not add phosphorus if soil test levels exceed 50 ppm. Soil potassium ... should be maintained at levels of 100-130 and 120-170 ppm (Mehlich-3 K) on sandy soils (CEC < ...
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Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values
https://ohioline.osu.edu/factsheet/anr-75
Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...
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Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field
https://ohioline.osu.edu/factsheet/agf-509
site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...
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Alfalfa Fall Rest and Planning the Last Harvest
increase tolerance to fall-cutting effects. A high soil pH of 6.8 to 7.0 will also reduce the risk of fall ... affect the level of risk incurred with cutting during the critical fall period. These include overall ... recovery and future productivity. Alfalfa varieties with high disease resistance and good levels of winter ...
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Xyway & Pivot Bio
https://agcrops.osu.edu/farm-science-review/osu-agronomic-crops-plots/xyway-pivot-bio
Fayette County in 2022. Despite having a 3 bu/ac spread between some treatments, due to high variability ... Xyway™ Capture LFR® (FMC) is a soil applied corn fungicide applied at planting by 2x2 and taken up ... at-plant soil application of Xyway in 9 locations in 7 different counties. Results from all sites combined ...
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Grapevine Nutrient Management: Petiole Sampling and Analysis
https://ohioline.osu.edu/factsheet/hyg-1438
availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...
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See you at the Farm Science Review!
https://agcrops.osu.edu/newsletter/corn-newsletter/2023-32/see-you-farm-science-review
Join the Agronomic Crops Team at Farm Science Review this week at our plot area between Gates ... planting date study, and more. You can also test your weed ID knowledge to win a prize. Learn more about ...
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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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Corn Fungicide Trials
https://agcrops.osu.edu/farm-science-review/osu-agronomic-crops-plots/corn-fungicide-trials
against tar spot and should be applied between VT and R3 in a high disease environment (>5% severity). ... but put your scouting knowledge to the test and look for the following three foliar diseases. Plots ... high relative humidity in the canopy. Tar spot: this relatively new foliar disease prefers wet ...
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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 ...