Doing Fieldwork In Artivicial Darkness
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Working fields at night reduces the number of weed seeds that germinate. Research by agonomists all over the world has shown that as soil is turned over, just a brief flash of sunlight on dormant weed seeds can cause the seed to come to life. However, doing field work at night is not easy or practical. Lantmannen , a Swedish farm magazine, recently reported on some work being done by researchers to avoid the problem by simulating nighttime. While creating a seedbed, they covered a power harrow with a heavy black canvas shroud that comes right down to the ground. They had to build a light-weight frame around the harrow to support the canvas. But once in place, it did not interfere with operation of the harrow. Re-searchers say the idea could be used on most any tillage tool.
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Doing Fieldwork In Artivicial Darkness CROPS New Techniques 21-3-29 Working fields at night reduces the number of weed seeds that germinate. Research by agonomists all over the world has shown that as soil is turned over, just a brief flash of sunlight on dormant weed seeds can cause the seed to come to life. However, doing field work at night is not easy or practical. Lantmannen , a Swedish farm magazine, recently reported on some work being done by researchers to avoid the problem by simulating nighttime. While creating a seedbed, they covered a power harrow with a heavy black canvas shroud that comes right down to the ground. They had to build a light-weight frame around the harrow to support the canvas. But once in place, it did not interfere with operation of the harrow. Re-searchers say the idea could be used on most any tillage tool.
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