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What temperature is combustion for weed? 

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The main result is that, for the weed species examined in this study, the use of alternating temperatures for base temperature estimation appears to be possible.
The results of this study indicate the significant effect of temperature on postdispersal weed seed predation.
Flame weeding is an acceptable weed control option in both organic and conventional production systems.
The measured results show that the regulation of the temperature of the combustion air has an effect on concentration of emissions from the combustion of biomass.
Measured temperature profiles indicate that effect of volatile combustion on inner temperature profile was ignorable.
Thus, evaluating flame weeders based on temperature measurements alone without knowledge of the relationship between temperature and weed control is not recommended.
The calculated combustion zone temperature and temperature profiles are in good agreement with our experimental data.
These results suggest that similar model structures could be used to quantify temperature effects on seed dormancy status of other weed species and to develop predictive models of weed emergence.
The results, reported at two different physical times, show the effects of the different combustion models, which predict different temperature and species concentration maps, but similar values for the combustion efficiency.
The results thus clearly show a strong correlation between the preignition temperature field and the subsequent combustion process.

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