Suspending dicyandiamide as controlled particles in a liquid medium prevents settling and nitrogen loss while improving fertilizer availability.
A drop-based seed pre-soak localizes hematite nanoparticle iron at germination, improving growth while reducing fertilizer release to soil or hydroponics.
Using water-insoluble Chevreul's salt, this case shows how copper fertilizer can resist leaching yet release copper at a plant-usable rate.