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Bring on the Heat
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-24-issue-3/bring-heat
cows have a pretty large threshold – between 25 and 65 degrees Fahrenheit – meaning that below 25 or ... heat stress. Because of daily variability in humidity and temperature, the temperature-humidity index ... every 1 mph increase in wind speed. High-volume, low-speed fans or box fans are both options depending ...
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Using Soil Tests Phosphorus Results to Identify Agronomic and Conservation Needs
chance of more than 0.5 inches of rainfall. Soil Test Phosphorous (STP) values are above 50 PPM Mehlich ... water quality. Fields with Soil Test Phosphorus (STP) levels two to three times higher than the ... Between 20-40 PPM (or 30-50 PPM if wheat/alfalfa are in the rotation) Greater than 50 PPM More detailed ...
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Environmental Biophysics
https://fabe.osu.edu/courses/fabeng-5330
FABENG 5330 Environmental Biophysics provides an overview of the interactions between the physical ...
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SENR Announcements, May 27, 2022
https://senr.osu.edu/email/senr-announcements-may-27-2022
Wilson, Factors that contribute to trustworthiness across levels of authority in wildland fire incident ... management teams, International Journal of Disaster Risk Reduction, Volume 73, 2022, 102877, ISSN 2212-4209, ... on Soils Copy: June 10: 10:00 a.m. - 11:00 a.m. | Webinar SENR faculty member and state soil ...
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Soybean Planting Progress and Vegetative Growth
increases. Leaf area is measured as the leaf area index (LAI) or the acres of leaf area per acre of crop. ... beginning, and all of the leaf area the plant develops needs to stay healthy for yields to be high ... temperatures and cold soils alone can cause poor leaf color. Small plants have small root systems and acquire ...
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Recommendations for Soybeans Planted in June
https://agcrops.osu.edu/2022-16/recommendations-soybeans-planted-june
150,000 plants/acre. (For May planting dates, a final stand of 100,000 to 120,000 plants/acre is generally ...
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Recipients of Sustainability Institute Student Grants Announced
https://senr.osu.edu/news/recipients-sustainability-institute-student-grants-announced
between decision-makers and local residents in Columbus, Ohio. Soil science master’s student Brittany ... the sustainability field. Ranging from chemical engineering to soil science, each project has the ... student in the School of Environment and Natural Resources, is researching the impact of high ...
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Lime Considerations
https://agcrops.osu.edu/newsletter/corn-newsletter/2021-40/lime-considerations
for grazing animals. Soil test magnesium levels need to be greater than 50 ppm (100 lb) for optimal ... corn, soybean, wheat, and alfalfa production on fine to medium textured soils and greater than 35 ppm on ... magnesium ratio is larger than 1. High calcium lime should be used in situations where the soil test calcium ...
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Milk Prices, Costs of Nutrients, Margins, and Comparison of Feedstuffs Prices
$23.50/cwt, respectively. Class III milk closed higher than predicted for May at $24.42/cwt, with protein and ... To estimate profitability at these nutrient prices, the Cow-Jones Index was used for average US cows ...
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CFAES Ag Weather System 2022 Near-Surface Air and Soil Temperatures/Moisture (Update 7- Final)
Figure 1: Daily average air temperature (dashed red), two-inch (green) and four-inch (blue) soil ... temperatures for spring 2022. Current daily average soil temperatures are noted for each location. Soil type ... and location of measurements (under sod or bare soil) are provided in the lower right corner of each ...