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  1. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    likely to cause a significant level of soil compaction resulting in reduced crop yield. Spot spraying, ... spraying and the high level of public demand for relaxation of current rules and regulations. Universities, ... a number of important data points: soil characteristics (type, moisture content, and nutrient content) ...

  2. Developing Phosphorus and Potassium Recommendations for Field Crops

    https://ohioline.osu.edu/factsheet/AGF-515

    + (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...

  3. 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 ...

  4. Analysis of Safety Issues for Fresh Produce

    https://ohioline.osu.edu/factsheet/AEX-260

    annual cost of $77.7 billion annually (2). Between 2001 and 2010, the four food categories, namely, ... sprouts. There were 27 E. coli outbreaks in green leafy vegetables including lettuce and spinach between ... had 1,038 outbreaks and 43,858 associated illnesses between 1990 and 2010. Table 1 shows the outbreak ...

  5. Algae for Biofuels

    https://ohioline.osu.edu/factsheet/AEX-651-11

    of the current research and development efforts have focused on microalgae due to their high growth ... oil yield than land oil crops (Table 1). For example, algae with 50% lipid content and a dry biomass ... productivity of 50 g/m²/day can potentially produce 10,000 gallons oil/acre/year (Pienkos, 2007). By ...

  6. 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 ...

  7. Selecting, Storing, and Serving Ohio Asparagus

    https://ohioline.osu.edu/factsheet/hyg-5508

    approximations. 1 pound of asparagus = 2–3 servings 1 crate of asparagus usually weighs between 28 and 32 pounds ... and vitamins A and C. Asparagus is low in fat and cholesterol. Storage  Asparagus is highly ... pieces. Toss all ingredients in a medium size bowl. For more information on preserving asparagus, go to ...

  8. 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 ...

  9. Norovirus: A Different Type of Foodborne Illness

    https://ohioline.osu.edu/factsheet/HYG-5569

    Symptoms develop 12–48 hours after being exposed to norovirus and generally last between one and three ... and the number of cases that are not caused by contaminated food. Risk Factors Anyone can get ... contaminated. Someone who touches those surfaces and then handles food is at risk of contaminating the food or ...

  10. Abate Animal Heat Stress in Hot Weather

    https://ohioline.osu.edu/factsheet/AEX-151

    convective, radiative and evaporative heat transfer processes such as touching cool surfaces, exposure to high ... greater than 50 percent. Table 1 summarizes the body temperatures and comfort zones (surrounding ... Temperatures Comfort Zones Layers 105–109.4°F 55–70°F Pigs 101.6–103.6°F 50–70°F Cows 98–102.8°F 40–60°F Figure ...

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