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August 13, 2023 50 mins
Agricultural Sprayer

Talking with Tom Wolf Phd (@nozzle_guy) about the latest technology for an agricultural sprayer, proper timing of application, and the value of weather data.

Tom is the owner of Agrimetrix Research & Training, a company focused on improved delivery of crop protection products.

Episode Notes

  • A crop in the presence of competition will limit its own growth.
  • Small window of time to stay ahead of pests.
  • Limiting factors for efficient spraying.
  • Properly atomizing the spray to minimize drift and still allow for effective coverage.
  • Steps in sprayer innovation.
  • Latest technology that could reduce pesticide input by up to 75%.
  • Adaptability required in farming.
  • The need to focus on the long term.
  • Federal regulations on MRL.
  • How valuable accurate site specific weather forecasting would be.

Agriculture Terms

Normalized Difference Vegetation Index (NDVI)

  • Used to detect living green vegetation through reflection of visible and near-infrared light.

Pre-seed Burnoff

  • Practice of applying herbicide to field prior to seeding to terminate unwanted growth.

Rainfast

  • Amount of time needed before rainfall for pesticide to be effective.

Preharvest Interval

  • Time between last application of pesticide and harvest to meet MRL.

Maximum Residue Limit (MRL)

  • Legal limit to amount of pesticide residue present on or in food when adhering to product label.

Conservation Tillage

  • Reducing soil erosion by leaving previous years crop on field before and during next planting season.

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