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  1. Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values

    https://ohioline.osu.edu/factsheet/anr-75

    values, but since our focus here is conversions for fertilizer recommendations, we focused on soil test ... Convert Soil Test P and K Values Background The Tri-State Fertilizer Recommendations (Vitosh et al., 1995) ... a universal extractant that provides multiple extractable nutrients from a single soil sample. Mehlich-3 ...

  2. Biopesticide Controls of Plant Diseases: Resources and Products for Organic Farmers in Ohio

    https://ohioline.osu.edu/factsheet/SAG-18

    desirable and sustainable tools for disease management. While their use is not overly complicated, the ... pathogens that they are designed to control. As with any disease management program, proper timing and ... published in the Plant Disease Management Reports and Biological Control Tests Database between 2000 and ...

  3. How to Control and Prevent Mosquito Bites In and Around Ohio Homes

    https://ohioline.osu.edu/factsheet/ent-88

    Society of New South Wales  Volume 40: 1–5. Learn more about our experts' latest mosquito research at ... According to a research study people with the O blood type were the most attractive to mosquitoes (Shirai et ... Albopictus. Gainesville, Florida: U.S. Department of Agriculture Research Service. PDF. ...

  4. Corn, Soybean, and Alfalfa Yield Responses to Micronutrient Fertilization in Ohio

    https://ohioline.osu.edu/factsheet/agf-519

    of the unfertilized crop yield Data sources: Jay Johnson Soil Fertility Research Reports, 1976 to ... Management soil fertility corn soybean alfalfa wheat fertilizer trials fertilizer recommendations soil ... nutrient management micronutrients soil conditions Agriculture and Natural Resources ...

  5. Natural Organic Lawn Care

    https://ohioline.osu.edu/factsheet/hyg-4031

    organic fertilizers also add organic matter to the soil. The three major nutrients plants need are ... role in fertilizer recommendations, so don't guess—soil test first! University research has shown ... reduce soilborne plant diseases, and help hold nutrients for plant use. Good soil also contains adequate ...

  6. Using Corn for Livestock Grazing

    https://ohioline.osu.edu/factsheet/anr-11

    wayne.osu.edu/news/microwave-method-determine-forage-moisture-content. National Research Council. (2001).  Nutrient Requirements of Dairy Cattle  (7th ed.). The National ... Silage Production, Management, and Feeding, North Central Regional Publication 574, for more information ... successfully. Table 1. Corn Silage Nutrient Composition (Dry Matter Basis).   Immature < 25% DM Normal 32 ...

  7. Soil Sampling to Develop Nutrient Recommendations

    https://ohioline.osu.edu/factsheet/AGF-513

    impacts. A soil fertility program starts with a representative soil sample that is used to develop nutrient ... Grid Sampling Zone Management Sampling Strengths Non-mobile nutrients P, K and pH Soil test levels ... soil fertility program is to maximize economic return while minimizing potential off-site environmental ...

  8. Determining Location of Cellulosic Ethanol Plants in Ohio Based on Availability of Crop Residues

    https://ohioline.osu.edu/factsheet/AEX-650

    Approximately 30 percent of U.S. corn grain is used in ethanol production. Research is continuing on using crop ... production. OSU researchers studied the distribution of usable crop residues among Ohio counties and ... Crop residues play an important role in protecting the soil surface from water and wind erosion and in ...

  9. Brown Marmorated Stink Bug

    https://ohioline.osu.edu/factsheet/ent-90

    non-chemical control. More research is needed to develop and refine tactics that can effectively manage this ... bugs, it is time to spray that block with insecticide and reset the trap counts to zero. Management in ... parasitized by the samurai wasp. Photo: C. Welty, The Ohio State University Researchers across the country are ...

  10. Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation

    https://ohioline.osu.edu/factsheet/anr-81

    important soil measurements that help determine how a soil is managed and fertilized. While standard soil ... Capacity (CEC) Cation exchange capacity (CEC) is a fundamental soil property used to predict plant nutrient ... availability and retention in the soil. It is the potential of available nutrient supply, not a direct ...

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