For the bone meal, For the reason that ratio of phosphorous to nitrogen is so superior, I fake that nitrogen doesn’t exist in these mixes. That very small little bit of extra slow-release nitrogen gained’t Have got a damaging impact on natural backyard garden soil. Should you’re Doubtful what NPK https://npkvietnam13489.jts-blog.com/28957335/indicators-on-npk-15-15-15-vietnam-vietnam-you-should-know