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Ants can be better than pesticides for growing healthy crops, study finds
Key Excerpts from Article on Website of The Guardian (One of the UK's Leading Newspapers)
Posted: February 13th, 2023
https://www.theguardian.com/environment/2022/aug/17/ants-can...
Ants can be more effective than pesticides at helping farmers produce food, according to new research. They are better at killing pests, reducing plant damage and increasing crop yields, according to the first systematic review of ants’ contributions to crop production. Ants are generalist predators and hunt pests that damage fruits, seeds and leaves, leading to a drop in crop yields. A greater diversity of ants generally provides more protection against a wider range of pests, the study found. The analysis looked at 17 crops, including citrus, mango, apple and soya bean in countries including the US, Australia, the UK and Brazil. “In general, with proper management, ants can be useful pest controls and increase crop yield over time. Some ant species have similar or higher efficacy than pesticides, at lower costs,” researchers wrote in the paper published in Proceedings of Royal Society B. There are more ants than any other insect, making up half of the planet’s insect biomass. There are at least 14,000 known species of ant, with many more likely to remain unknown. Citrus growers in China have used ants in farming for centuries, and the insects have also been used to help control forest pests in Canada, cocoa pests in Ghana and crop pests in Nigeria. Dr Patrick Milligan, from the University of Nevada Pringle Lab ... said the findings were “both heartening and not at all surprising”. He added: “They offer a neat and tidy description of ant-derived benefits that are ubiquitous across ecological and agricultural systems.
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