Natural Clinoptilolite based fertilizers are known to be â??intelligent fertilizersâ?? due to their high cation exchange capacity and porosity. Recall, Clinoptilolite is the worlds only negatively-charged mineral in existence, it therefore has tremendous breakthrough possibilities and especially in Agriculture applications. Clinoptilolite has a proven ability of a natural slow release mechanism of nutrients to the root zone of new seedling thereby increasing the plantsâ?? strength and performance.