Value proposition

Ostara offers innovative solutions in phosphate management to improve yields, protect water sources, and feed the world.

Ostara offers innovative and sustainable solutions in phosphate management for growers focused on efficiently improving yields, protecting critical water sources, and feeding the world. Developed from a patented production process and nutrient recovery technologies, Ostara’s Crystal Green® Root-ActivatedTM fertilizers deliver phosphorus, magnesium and nitrogen in a slow-release granules proven to enhance yields and quality across a variety of crops and soil types while preventing soil tie-up and leaching of nutrients. With fertilizers and nutrient recovery technologies that positively impact both farmers yields and the environment, Ostara is making an important contribution to managing global environmental challenges, increasing yields of food and fiber and safely delivering nutrients where they matter.


nutrient recovery, sustainability, and fertilizer production