Glyphosate Affects Interactions Between Earthworms And Mycorrhizal Fungi

Hyphae

Herbicides containing glyphosate are widely used in agriculture and private gardens, however, surprisingly little is known on potential side effects on non-target soil organisms. In a greenhouse experiment with white clover we investigated, to what extent a globally-used glyphosate herbicide affects interactions between essential soil organisms such as earthworms and arbuscular mycorrhizal fungi (AMF). We found that herbicides significantly decreased root mycorrhization, soil AMF spore biomass, vesicles and propagules. Herbicide application and earthworms increased soil hyphal biomass and tended to reduce soil water infiltration after a simulated heavy rainfall. Herbicide application in interaction with AMF led to slightly heavier but less active earthworms. Leaching of glyphosate after a simulated rainfall was substantial and altered by earthworms and AMF. These sizeable changes provide impetus for more general attention to side-effects of glyphosate-based herbicides on key soil organisms and their associated ecosystem services.

LINK: http://www.nature.com/srep/2014/140709/srep05634/full/srep05634.html

STUDY: http://www.nature.com/srep/2014/140709/srep05634/pdf/srep05634.pdf

DIRECT DOWNLOAD: https://planetpermaculture.files.wordpress.com/2015/03/srep05634.pdf

Author: Andrew

My name's Andrew Towell, I’m 32 years of age and I was born and live in a coastal town called Hartlepool located in the North East of England. The idea behind starting the blog is for me to research sustainable living practices, I enjoy growing plants so their will be an emphasis on organic food production.

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