NPK 15 15 15 VIETNAM QUALITY - AN OVERVIEW

For your bone meal, since the ratio of phosphorous to nitrogen is so high, I pretend that nitrogen doesn’t exist in these mixes. That small bit of extra sluggish-release nitrogen won’t Possess a damaging impact on organic garden soil.Bone food is often a all-natural fertilizer made out of ground animal bones. It is just a slow-release fertilize