Dietary shifts driving up phosphorus use

Dietary changes since the early 1960s have fueled a sharp increase in the amount of mined phosphorus used to produce the food consumed by the average person over the course of a year, according to a new study led by researchers ...

With feedlot manure, it pays to be precise

The same precision farming techniques that work with crops can work with manure management on cattle feedlots, according to U.S. Department of Agriculture (USDA) scientists.

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