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Row Width
https://agcrops.osu.edu/node/4420
increases with narrow rows have been found to occur at both moderate and high plant populations and at high ... and moderate yield levels. University of Illinois research found no trend for higher or lower yielding ... have marketed hybrids for high populations and narrow rows but university trials have not shown that ...
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Crop Rotation
https://agcrops.osu.edu/node/4384
or spelt in the rotation sequence. Soil-borne diseases, such as take-all and Cephalosporium ... scab in the wheat. Planting wheat into corn residues greatly increases the risk of a severe outbreak of ...
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Seeding Depth
https://agcrops.osu.edu/node/4419
The appropriate planting depth varies with soil and weather conditions. For normal conditions, ... plant corn 1.5- to 2-inches deep to ensure adequate moisture uptake and seed-soil contact, provide frost ... and should be avoided in all tillage systems. In April, when the soil is usually moist and evaporation ...
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Estimated and Soil Test Methods to Determine Supplemental N need after Flooding
than 10 pounds of N for every 2 ppm reduction in soil sample N below the expected levels listed in ... understanding of loss mechanisms and other estimates of loss or soil tests may help decide on 2022 management in ... between 55 to 65 degrees Fahrenheit, approximately 2 to 3% of soil nitrate is lost per day under saturated ...
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Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation
https://ohioline.osu.edu/factsheet/anr-81
example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...
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Harvesting and Handling Ear Rot-Affected Corn
Consequently, ethanol plants may reject GER-affect grain with high levels of vomitoxin. Slow grain dry-down, ... being lost. When vomitoxin levels are unacceptably high, close your reclean all the way and even block ... levels around 26 ppm in samples of the screenings coming from our perforated screens, while the grain ...
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Keep In Mind Soil Test K And pH Are Affected By Low Soil Moisture
test potassium (K) levels because K still remains in the crop residues and/or low soil moisture caused ... POTASSIUM Typically soil test K levels are lower than expected in a dry fall. One factor contributing to low ... in soil test K with soil moisture. When field moist soil high in K is dried for analysis, soil test ...
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Faculty and Projects Summer 2023
Tracking Survey: Data Analysis and Survey Testing Dr. Roe works broadly in the areas of agricultural and ... serves as a model pollinator for toxicological testing. While the honey bee is the most economically ... invasive species, disturbance ecology, and soil ecology. Summer projects may include: 1. Assessment of ...
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2022 Ohio Soybean Performance Trials- Yield Results Available Online as Sortable Tables
tested in six Ohio counties: Henry, Sandusky, Mercer, Union, Preble, and Clinton. Varieties were grouped, ... tested, and analyzed by maturity (early and late). Conventional (non-GMO), RoundUp Ready, Enlist, ... XtendFlex, sulfonylurea-tolerant, and Liberty Link/Glyphosate tolerant were tested in the same block to allow ...
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Data Analytics in Production Agriculture
https://fabe.osu.edu/courses/agsysmt-5580
actionable spatial and temporal management recommendations at the sub-field level. Laboratory exercises ...