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Days to Maturity Rating System
https://agcrops.osu.edu/node/4412
reflect actual calendar time between planting and maturity―a 106-day hybrid, for example, does not ... a group of hybrids for grain moisture at harvest. A one day maturity difference between two hybrids is ... same day (6 days multiplied by 0.5 or 0.75). The relationship between days to maturity and kernel ...
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Specialty Corns
https://agcrops.osu.edu/node/4426
method produces more gallons of ethanol per bushel of corn grain. Hybrids with high levels of extractable ... The type of corn most widely planted in Ohio and across the U.S. is yellow dent. High grain and ... silage yield potential, high feed value, and availability of adapted superior hybrids account for the ...
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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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Conservation Tillage Club Breakfast
https://agcrops.osu.edu/events/conservation-tillage-club-breakfast-0
information about their fields’ soil variation and associated cropping practices to create prescription maps ...
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Plan Now for Fall Fertilization of Perennial Forages
When soil test P exceeds the agronomic level of 50 PPM, there is increased potential of P losses into ... For example, many dairies have high levels of soil P, making the expense of fertilizer P unnecessary. ... over-application harms the environment and can harm animals fed those forages. A recent soil test should always ...
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SENR Announcements, Dec. 16
https://senr.osu.edu/email/senr-announcements-dec-16
cited on the relationship between racialized poverty segregation and hazardous industrial facilities ... here. Faculty member Jeffrey Jacquet is quoted in the Grid article, "Covid upended 50 years of ... and graduate student Naseem Dillman-Hasso recently presented their research at the Society for Risk ...
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Ecology of Infectious Disease
https://senr.osu.edu/courses/enr-5335
diseases. Prereq: One undergraduate-level Biology course; or permission of instructor. Not open to students ...
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Interpreting a Soil Test Report
https://ohioline.osu.edu/factsheet/agf-0514
suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...
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Developing Phosphorus and Potassium Recommendations for Field Crops
https://ohioline.osu.edu/factsheet/AGF-515
+ (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...
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Conservation Tillage Club Breakfast Series
monitor information about their fields’ soil variation and associated cropping practices to create ... Conservation Tillage Club breakfast program series is jointly sponsored by OSU Extension and the Soil and Water ...