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  1. Insect Control

    https://agcrops.osu.edu/node/4379

    start to build until mid-July or reach economic levels until August. Soybean aphids have ... average of 250 aphids per plant with more than 80 percent of plants infested. After the R5 growth stage, ... generation will again appear in early July and continue until fall as a succession of first and second ...

  2. Fertility Recommendations

    https://agcrops.osu.edu/node/4423

    60 70 75 85 90 15-30 (30-60)2  35 45 50 60 65 35 (70)  20 20 25 30 35 40 (80)  0 0 0 0 0 1 Values in ...

  3. Plant Disease Epidemiology

    https://plantpath.osu.edu/courses/plntpth-7002

    epidemics. Video-linked to Wooster. Sp Sem. Prereq: 3001 (401) and 3002, or 6001, and an introductory Stat ...

  4. Plant Populations and Seeding Rates

    https://agcrops.osu.edu/node/4421

    to as much as 80 percent for certain hybrids at high plant populations, resulting in yield losses of ...

  5. Corn Pest Management

    https://agcrops.osu.edu/node/4424

    oardc.ohio-state.edu/ag/images/545_Final_2013(3).pdf. The risk of injury from insects will vary largely depending on weather and region. Knowledge of ... control wireworms.  GRUBS  There are multiple species of grubs in Ohio, all of which are fairly large, ... the third or fourth week of July. Females will lay eggs on the upper surface of the one to three top ...

  6. How Climate Affects Corn Production

    https://agcrops.osu.edu/node/4407

    June in normal years), corn is fairly tolerant of dry soils. Mild drought during June may even be ...

  7. How Climate Affects Corn Production

    https://agcrops.osu.edu/node/4406

    June in normal years), corn is fairly tolerant of dry soils. Mild drought during June may even be ...

  8. Variety Selection

    https://agcrops.osu.edu/node/4382

    June and early July which kill the crop. Select wheat varieties with high yield potential, high test ...

  9. Date of Planting

    https://agcrops.osu.edu/node/4418

    northern Ohio to July 1 in southern Ohio. Plantings after these dates usually yield no more than 50 percent ...

  10. Insect Control

    https://agcrops.osu.edu/node/4392

    oardc.ohio-state.edu/ag/pageview.asp?id=1029. ...

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