Managing Phosphorus 4R Crops and Environment

The last few years have witnessed increasingly widespread worldwide attention to issues associated with phosphorus. Both its impact on the environment and humanity's dependence on its finite sources are alarming many. Producers are now expected to manage phosphorus for both crops and environment. The 4Rs of nutrient stewardship apply well to addressing this expectation, but questions are arising about the efficacy of several of its key tools, including soil tests, tillage practices, timing, placement, and cover crops. This presentation will outline what's known and unknown about practices you could be applying in the field.