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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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ANR-841-2E: Tobacco Sucker Control
https://ohioline.osu.edu/factsheet/anr-0841-2e
that have a longer duration between topping and harvesting. However, individual burley varieties may ... long. When To Use Before a systemic sucker-control chemical is used, plants should be topped when 50% or ... in the past discouraged purchases of burley tobacco by foreign buyers. Experiment station field tests ...
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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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Latest innovations to be shared at Farm Science Review
https://cfaes.osu.edu/news/articles/latest-innovations-be-shared-farm-science-review
high-clearance robotic irrigation system capable of applying animal nutrient sources to row crops, and wireless ... to share computational loads with a web-based interface for mission planning, provide in-field high ... in FABE. “Tractors without drivers are being deployed with varying levels of autonomy ranging from ...
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Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage
https://ohioline.osu.edu/factsheet/AC-52
screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...
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Soil Heath Series Dates Announced for 2024
The Soil Health Series team is planning three virtual events in 2024 – Jan. 11, Feb. 8, and March ...
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SMV's 60th Birthday
https://extension.osu.edu/node/4335
Read More Read more about Ohio State's involvement in creating the SMV. The SMV emblem celebrates its 60th birthday this year. And Ohio State was instrumental in developing this important farm safety sign. ...
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Pumpkins
https://extension.osu.edu/node/4333
Read More Picture of pumpkins in a field Pumpkin season is here. Whether you’re selecting them to preserve or carve, we’ve got some resources to help you get started. ...
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Suicide Prevention Awareness Month
and LGBTQI youth. • It is available in all 50 states. ...