... be described as NPK 21-0-0 24S. Generally, it is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium ... the most common use and most typical inorganic nitrogen fertilizer. It is the best fast release, quick acting fertilizer, can be ... of sulfur, low chlorine tolerance crops, sulfur-philic crops, It is very popular in Japan, Southeast Asia, as well as northeast ...