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  1. Soil Terminology and Definitions

    https://ohioline.osu.edu/factsheet/SAG-19

    of soil antecedent biological activity. A high BR generally indicates higher soil microbial activity, ... accumulation in the soil. This index can be used as an early and sensitive indicator of carbon or soil organic ... and macropores leading to soil compaction and decreased soil organic matter levels. Soil compaction ...

  2. Phytophthora Damping-off and Root Rot of Soybean

    https://ohioline.osu.edu/factsheet/plpath-soy-04

    planting, high incidence of seedling damping-off can result in yield losses greater than 50 percent in ... soils with high clay content. Traditionally, the northwest section of the state has had severe problems ... of P. sojae have been detected in Ohio soils, with as many as 50 from a single field. The tremendous ...

  3. Global Climate Change: Update 2020

    https://ohioline.osu.edu/factsheet/cdfs-203

    at between 280 and 300 parts per million (PPM). The data also show that during our present ... episode that is currently ongoing. The duration of these cold periods tends to be between 20 and 40 ... between 10,000 and 20,000 years ago. This temperature data is presented in Figure 3. This graph shows that ...

  4. Selecting, Storing, and Serving Ohio Apples

    https://ohioline.osu.edu/factsheet/HYG-5507

    in apple production in the United States. It produces around 50 different varieties, including Ohio ... recommendations below are approximations. 1 pound = about 3 medium apples 1 pound = approximately 1½ cups ... recommends two cups of fruits per day as part of a healthy diet. A medium, raw, 3-inch apple is low in ...

  5. Spring 2024 Weather & Soil Conditions: Update 1

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-2024-weather-soil-conditions-update-1

    to mid 50s for daily averages (Figure 1). Soil temperatures should remain steady early this week, ... Soil Temperatures and Moisture   Figure 1: Daily average air temperature (dashed red), two-inch ... (green) and four-inch (blue) soil temperatures for spring 2024. Soil type and location of measurements ...

  6. Effectiveness of Turbodrop® and Turbo Teejet® Nozzles in Drift Reduction

    https://ohioline.osu.edu/factsheet/fabe-524

    droplets smaller than 50, 100 and 150 microns. VMD is the most widely used parameter of droplet size. It is ... the volume contains droplets larger than VMD. Typically, a nozzle with a high VMD presents a low risk ... organism. Therefore, small-to-medium size droplets are desirable when applying insecticides and fungicides ...

  7. Managing Phosphorus for Yield and Reduced Edge of Field Losses

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-35/managing-phosphorus-yield-and-reduced-edge-field-losses

    level. At 20 PPM or less, the risk of yield loss increases. Annual in season P nutrient application ... applications when STP is greater than 150 PPM. Follow NRCS 590 site and rate criteria between 40 to 150 PPM ... 8. 8. BMPs for high risk P loss sites: Monitor fields for P loss using the Ohio P risk index and ...

  8. Chestnut Anthracnose

    https://ohioline.osu.edu/factsheet/plpath-fru-0051

    tissue. While rare, orange spore masses can form on the shell lesions during prolonged periods of high ... turgid, the tissue is healthy. The squeeze test works only on fresh chestnuts that are fully hydrated. On ... parents in seedling orchards. Table 1. Level of anthracnose incidence in commercially grown chestnut ...

  9. Using Soil Tests Phosphorus Results to Identify Agronomic and Conservation Needs

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-30/using-soil-tests-phosphorus-results-identify-agronomic-and

    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 ...

  10. Fall Strip Tillage Systems: An Introduction

    https://ohioline.osu.edu/factsheet/aex-507

    4 inches high, which improves soil drainage and warming. By spring, it usually settles down to 1 to ... alternative to plowing. Benefits of strip tillage soil conservation –undisturbed residue between corn rows ... the field should be flat. It is important not to apply nitrogen in the fall to soils above 50°F as ...

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