Weeds have been burned with flames since 1852. John A. Craig was granted a patent for the first flame weeding apparatus for sugarcane fields. By the 1930s, many people were ᴋɪʟʟing weeds with oil and gas burners. The practice of flame weeding is currently popular in maize and soybean fields. It can be used both before and after the start of a new growing season. The burners travel through the fields at a speed of 5 to 7 mph.
The flame is not meant to completely consume the weeds. Photosynthesis and weed development can both be stopped by simply increasing the internal temperature of the cell structure. It is feasible to reach a temperature of 500,000 to 1.2 million BTUs. A typical cooktop burner produces around 12,000 BTUs.
Flame weeding is possible as long as the present crops are knee-high or higher. One of the reasons this works so well is that we are obtaining the weed’s growing point rather than corn or soybeans. Your heat or flame should be concentrated on the area that is most important. However, as interest in organic farming has expanded, non-chemical weed control techniques like flame weeding have become more common.
We are observing a lot more of this now that organic production is resuming and men are looking for ways to control weeds and organic products. Flame weeding is not a one-size-fits-all approach to weed management, especially. The flame process isn’t finished yet, we still need to go back and do further mechanical cultivation. But doing so significantly reduces the number of field passes.
In the video below, you will see Amazing Modern Agriculture Machine Tractors In Action:
Source: Machinery Channel
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