So, you will need to start out slowly but surely with single nutrient amendments like feather or bone food. Afterwards, when you have mastered the basics, you may start to combine bat guano with neem, crab, corn, or sixteen other form of organic and natural meals to make your own https://npk-15-15-15-te94579.look4blog.com/68496693/npk-15-15-15-vietnam-youtube-an-overview