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06/22/2019
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By Edsel Cook
Long-term outlooks: Australian farmers eliminate herbicide-resistant “superweeds” using natural non-herbicidal methods
Decades ago, Australian farmers stopped using glyphosate and other herbicides to get rid of superweeds and seeds in their plots. Instead, they used natural methods of weed control and management that worked much better than toxic chemicals. Farms in Western Australia raise wheat and barley as the main food crops. The biggest threat comes from ryegrass superweeds that developed resistance […]
02/01/2019
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By Edsel Cook
Mexican marigold essential oil holds potential as powerful natural herbicide
The Mexican marigold (Tagetes erecta) is a beautiful flowering plant from Central America. It has been used as an ornament, edible food, a source of dye, and herbal medicine for many centuries. Thai researchers reported that its essential oils are a natural herbicide for some of the most common weeds that plague farms. Cockspur grass (Echinochloa crus-galli) […]
01/29/2019
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By Edsel Cook
Potential natural herbicide found in Mexican marigold essential oil
The Mexican marigold (Tagetes erecta) was evaluated by a Thai study that sought out a natural and effective replacement for synthetic herbicides. The essential oils found in the plant demonstrated sufficient effectiveness against cockspur grass (Echinochloa cruss-galli) before and after the emergence of the weed. King Mongkut’s Institute of Technology supported this research effort. The findings came out in […]
09/30/2018
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By Ralph Flores
Natural weed control: Organic farmers use woodchip mulch to control weeds, increase crop yields
Woodchip mulching can suppress weed growths under field conditions, according to a study published in Agronomy Journal. Using a 16-year field trial of woodchip mulching, researchers demonstrated that not only does it diminish the development of weeds, it also does not affect the yield of the crops when it is used. Mulch – a general term for anything […]
09/28/2018
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By Edsel Cook
Application of straw mulch increases potato yield
American researchers reported that adding straw mulch to the soil around emerging potatoes increases the size of the individual tubers and the yield of the crop for two different cultivars. They further added that the straw mulch managed broadleaf weeds better than mechanical means of removing the weeds. The study was supported by the University […]
09/21/2018
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By Edsel Cook
Fungal strains found naturally in the soil, including a relative of penicillin, could be an alternative to herbicides
Penicillium molds have been used to ripen cheese and produce the life-saving antibiotic penicillin. Now, a member of the large and common genus of fungi could serve as a natural alternative to synthetic herbicides. The discovery was made by Nigerian researchers from the University of Ilorin, who were looking for local microbes that could reduce the need for chemical weed-killers that polluted the environment […]
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