Favoring creeping bentgrass or Poa annua with P fertilizer

Have you wondered about soil phosphorus (or fertilizer P) and whether either can be manipulated to favor creeping bentgrass over Poa annua? Or vice versa? If you are interested in this, you'll enjoy reading Annual bluegrass and creeping bentgrass tiller response to phosphate fertilizer and soil pH by McNally et al.

Our advice about this is supported by these results. What is that advice? There's no doubt that you can put some stress on annual bluegrass (and bentgrass too) if…