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Relative Effectiveness of Herbicides Commonly Used to Control Woody Vegetation in Forest Stands
https://ohioline.osu.edu/factsheet/f-0051
(S), intermediate (I), and resistant (R), or occasionally borderline between two categories (e.g., ... usually as effective as an herbicide ranked S, the herbicide will kill a high proportion of the treated ... cannot be over stressed. Not only will this minimize personal and environmental risks, but it will ...
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Abnormal Ears in Corn—When and Why Do They Develop?
https://ohioline.osu.edu/factsheet/anr-0139
reducing productivity and spurring research about the underlying causes. Distinct differences exist between ... fields averaged 26% of abnormal ears, with abnormal ear production ranging between 12 and 49% (that is 12 ... conditions driven by unfavorable growing conditions (environment), susceptible hybrids (genetics), high or ...
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Developing Phosphorus and Potassium Recommendations for Field Crops
https://ohioline.osu.edu/factsheet/agf-0515
determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...
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Ammonia Emission from Animal Feeding Operations and Its Impacts
https://ohioline.osu.edu/factsheet/AEX-723.1
50 ppm, increased levels of keratoconjuctivitis and tracheitis have been observed. These trachea and ... causes high ammonia levels inside animal production buildings, especially in winter months when the ... concentrations. People begin to detect odors at 5–50 ppm. Irritation to mucous surfaces occurs at 100–500 ppm ...
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The Pest and Plant Clinic is open!
https://mahoning.osu.edu/news/pest-and-plant-clinic-open
They offer soil testing for $20. The soil test is an excellent measure of soil fertility and a very ...
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Nutrient Removal for Field Crops in Ohio
https://ohioline.osu.edu/factsheet/anr-96
manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...
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Understanding How Soil Test Phosphorus Impacts Water Quality
https://ohioline.osu.edu/factsheet/anr-0111
Soil test P is one indicator of environmental P loss potential from a field. STP values above 100 ppm ... Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario. Soil ... called eutrophication, results in depleted dissolved oxygen in water bodies. A soil test for P (STP) ...
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Chlorinated Water Sanitation of Leafy Green Vegetables For Fresh Produce Processors
https://ohioline.osu.edu/factsheet/aex-262
sources to produce 200 ppm chlorinated water. Chlorine gas, stored in high-pressure vessels, can be ... 6.5. In large operations, where high levels of organic material and debris are present on the produce, ... granulated powder 65 or 68% free active chlorine high capital, high operation hazardous due to higher percent ...
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Fusarium Head Blight Forecasting System
https://ohioline.osu.edu/factsheet/plpath-cer-03
Red indicates high risk for scab exceeding 10% severity, yellow indicates moderate risk, while green ... indicates low risk. High scab risk is associated with high risk for grain contamination with vomitoxin, but ... reducing grain yield, test weight and grain quality. More importantly, F. graminearum produces mycotoxins, ...
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Back2School Bash
https://ansci.osu.edu/events/back2school-bash
Bingo & Trivia tents featured on the Plumb Hall Quad for more laid-back fun. Check out nearly 50 ...