Site

Search results

  1. Wheat Management for Fall 2021

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/wheat-management-fall-2021

    phosphorus than corn or soybean, and soil test levels should be maintained between 30-50 ppm (Mehlich-3 P) ... for optimum production (Table 1). Do not add any phosphorus if soil test levels are higher than 50 ... 45 60 75 >50 0 0 0 0 Soil potassium should be maintained at levels of 100-130 and 120-170 ppm ...

  2. Grapevine Nutrient Management: Petiole Sampling and Analysis

    https://ohioline.osu.edu/factsheet/hyg-1438

    availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...

  3. Take the Test to Beat the Pest

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/take-test-beat-pest

    200 eggs/100 cc soil. Some fields (8%) had levels above 5,000 eggs/100 cc soil, which we know can ... to TWO soil samples, per grower, to be tested for SCN, free of charge. For more information on how to ... pathogen of soybean is that it can cause yield loss between 15 and 30% with absolutely no visible symptoms. ...

  4. Fall Soil Fertility Sampling

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/fall-soil-fertility-sampling

    inputs. If soil test P and soil test K levels are within the maintenance range it is extremely unlikely ... limitations and strengths (Figure 1). Zone and grid soil sampling will provide the highest level of ... information from soil test results as fields can have a great deal of variability of soil test P, K, and pH ...

  5. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/AGF-514

    Soil test values may be reported in parts per million (ppm) or pounds per acre (lb/ac). To convert from ... ppm to lb/ac, multiply ppm by two. Phosphorus, potassium, calcium, and magnesium soil test values are ... 250–310 125–155 CEC=30 meq/100g 300–360 150–180 Calcium (Ca) 800–16,000 400–8,000 Levels less than 200 ppm ...

  6. Collect Fall Soil Samples for SCN

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/collect-fall-soil-samples-scn

    sample for SCN? Fall is the best time to sample for SCN. After soybean plants are harvested, a soil test ... testing. Please see Dr. Lindsey’s article on fall soil fertility sampling.   How should you collect soil ... samples for SCN? Different sampling strategies can be used to collect soil sample for SCN testing, including ...

  7. Jack Frost Will Bite Soon- Precautions for Feeding Frosted Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-36/jack-frost-will-bite-soon-precautions-feeding-frosted-forages

    affect poisoning risk. Plants growing under high nitrogen levels or in soils deficient in phosphorus or ... risk of toxicity: Grain sorghum = high to very high toxic potential Indiangrass = high toxic potential ... dangerously high in prussic acid. Drought stress can affect prussic acid poisoning risk. Drought-stunted ...

  8. Low Vomitoxin Levels in Corn but Rain and Delayed Harvest Could Change this Picture

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-37/low-vomitoxin-levels-corn-rain-and-delayed-harvest-could-change

    Gibberella ear rot (GER), and consequently, vomitoxin levels likely will be much lower this year than they ... as is often the case, there were a few exceptions. We found low levels of GER in (sentinel-type) ... plots and research fields deliberately planted with hybrids that are highly susceptible to the disease, ...

  9. 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 ...

  10. A.L.i.C.E. Training

    https://woostercampuslife.cfaes.ohio-state.edu/newsletter/buckeye-buzz/october-25-31-2021-october-18-24-2021-october-11-17-2021-october-4-10-2021-3

    October 28 from 1:50 pm- 3:30 pm Location: Wooster Science Building 175 Registration: ...

Pages