Meat and bone meal as a source of phosphorus

Slaughterhouse waste is processed into meat and bone meal and subsequently fed to livestock or incinerated. This meal could be put to better use, though. It contains phosphorus, a scarce mineral used as fertilizer. A new ...

Minnesota sets goals for fixing Gulf of Mexico dead zone

Minnesota's top pollution officials are setting ambitious goals - primarily for farmers - to cut back on the millions of tons of pollution that each year flow out of the state and down the Mississippi River to the Gulf of ...

Digging deeper for soil carbon storage

Many surface soils in Western Australia are already storing as much carbon as they can, according to research at The University of Western Australia and in collaboration with the Department of Agriculture and Food WA (DAFWA) ...

Battling climate change with tried-and-true methods

For decades, farmers in Montana and the Dakotas have produced impressive yields of barley and wheat. But that bounty has come at a cost. Tilling the soil in the region's crop-fallow production systems has robbed the soil ...

The Phosphorus Index: Changes afoot

Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...

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