Invasive tawny crazy ants have an intense craving for calcium – with implications for their spread in the US

The spread of tawny crazy ants may be driven, in part, by their need for calcium.

Ryan Reihart, Teaching Assistant and Ph.D. Candidate of Ecology, University of Dayton • conversation
yesterday ~5 min

conservation biodiversity insects potassium nutrients entomology research-brief nitrogen ants ecosystems farmland invasive-species iron phosphorus calcium magnesium sodium micronutrients nectar new-research

We found a way to turn urine into solid fertiliser – it could make farming more sustainable

If rolled out worldwide, our method could replace a quarter of all the synthetic nitrogen fertiliser used in agriculture.

Jenna Senecal, Postdoctoral Researcher in Environmental Engineering, Swedish University of Agricultural Sciences • conversation
Nov. 6, 2020 ~7 min

agriculture recycling farming nitrogen crops toilets urine phosphorus fertiliser ammonia

A few heavy storms cause a big chunk of nitrogen pollution from Midwest farms

New research shows that one-third of yearly nitrogen runoff from Midwest farms to the Gulf of Mexico occurs during a few heavy rainstorms. New fertilizing schedules could reduce nitrogen pollution.

Chaoqun Lu, Assistant Professor of Ecology, Evolution and Organismal Biology, Iowa State University • conversation
Nov. 2, 2020 ~9 min

climate-change agriculture rainfall nitrogen gulf-of-mexico us-midwest nutrient-pollution corn fertilizer sustainable-agriculture dead-zones fertilizer-runoff heavy-rainfall mississippi-river

Soil carbon is a valuable resource, but all soil carbon is not created equal

Storing more carbon in soil helps slow climate change and makes croplands more productive. But there are two kinds of soil carbon that are both important, but function very differently.

Francesca Cotrufo, Professor of Soil and Crop Sciences and Senior Scientist, Natural Resource Ecology Laboratory, Colorado State University • conversation
Feb. 6, 2020 ~9 min

 climate-change  agriculture  soil  carbon-sequestration  nutrients  nitrogen  soil-carbon

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