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Agroforestry is 'Win Win' For Bees and Crops, Study Shows

Agroforestry is 'Win Win' For Bees and Crops, Study Shows

Planting woody plant species alongside crops could double the number of insect pollinators helping farmers produce food, new research has demonstrated for the first time.

The study, led by the University of Reading and published in the journal Agriculture, Ecosystems and Environment, provides the first observed evidence that agroforestry increases wild insect pollinator numbers and increases pollination.

The team found agroforestry sites had double the number of solitary bees and hoverflies, and in arable agroforestry sites there were 2.4 times more bumblebees than in those with just one kind of crop. Solitary bee species richness also increased tenfold at some sites. These increases in wild insect pollinators resulted in more pollination, as potted flowers left out in the study fields had up to 4.5 times more seeds.

The findings support mooted plans to implement agroforestry in Europe in the near future, showing that agroforestry could help stop the global decline of pollinators, partly resulting from intensive farming methods.

Dr. Alexa Varah, who led the study while completing her Ph.D. at the University of Reading and now works at the Natural History Museum, said: "Insect pollination is globally important for ecosystems and for growing the food we need to feed rising populations.

"It is ironic that agriculture, which relies so heavily on pollinators, is actually one of the biggest contributors to their decline. Our study finally provides some proof that agroforestry is win-win for wild pollinators and for farmers growing crops that need pollinating."

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Aligning Many Interests in Agriculture on Crop Chemistry Legislation - Elizabeth Burns-Thompson

Video: Aligning Many Interests in Agriculture on Crop Chemistry Legislation - Elizabeth Burns-Thompson

Farmers are known for having many tools in their toolbox and right now they are looking to get one more if the push by the Modern Ag Alliance keeps moving. The organization funded by Bayer and dozens of commodity groups is working on legislation in several states and a federal bill involving glyphosate. The group looks at the benefits and science on the chemical and the litigation industry. We speak with executive director Elizabeth Burns-Thompson in this discussion.