WHAT DOES NPK 15 15 15 VIETNAM MINH MEAN?

After you have manufactured your base mixes, you can insert in any from the optional amendments you chose to use on your own backyard garden.  Abide by the application premiums on the bags. Alternatively, it is possible to just apply them individually to the backyard garden or soil combine once you fertilize.In the event you’re Doubtful what NPK