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Related Concept Videos

Volatilization01:10

Volatilization

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Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...
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Light Acquisition

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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Related Experiment Video

Updated: Dec 29, 2025

Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field
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Quantifying Dicamba Volatility under Field Conditions: Part II, Comparative Analysis of 23 Dicamba Volatility Field

Erik D Sall1, Keguo Huang1, Naresh Pai1

  • 1Regulatory Sciences , Bayer U.S.-Crop Science , 700 Chesterfield Parkway West , Chesterfield , Missouri 63017 , United States.

Journal of Agricultural and Food Chemistry
|January 29, 2020
PubMed
Summary
This summary is machine-generated.

Dicamba volatilization from treated fields was quantified across 23 trials. Volatile losses were minimal, with median losses of 0.08%, and did not impact soybean yield.

Keywords:
aerodynamic (AD)dicambafluxintegrated horizontal flux (IHF)vertical fluxvolatility

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Area of Science:

  • Agricultural Science
  • Environmental Chemistry
  • Agronomy

Background:

  • Dicamba is a widely used herbicide for weed control in agriculture.
  • Understanding dicamba volatilization is crucial for minimizing off-target movement and potential crop injury.

Purpose of the Study:

  • To quantify postapplication volatilization of dicamba from treated fields.
  • To assess the impact of different formulations and environmental conditions on dicamba volatilization.
  • To determine if observed air concentrations pose a risk to non-target soybean.

Main Methods:

  • Conducted 23 field trials across diverse geographic locations and environmental conditions.
  • Utilized aerodynamic and integrated horizontal flux methodologies to estimate vertical flux up to 72 hours postapplication.
  • Analyzed meteorological and soil data to identify potential drivers of volatilization.

Main Results:

  • Total volatile dicamba losses ranged from 0.023% to 0.302%, with a median of 0.08%.
  • Volatilization peaked within 24 hours postapplication and decreased significantly by day 3.
  • No single weather or soil parameter was identified as a dominant driver of volatilization.
  • Observed dicamba air concentrations remained below levels known to affect soybean plant height or yield.

Conclusions:

  • Postapplication dicamba volatilization is generally low across various conditions.
  • Current dicamba formulations and application practices, based on these trials, are unlikely to cause adverse effects on conventional soybean.
  • Further research may be needed to explore specific factors influencing volatilization under extreme conditions.