| abstract |
The present invention relates to a controlled release fertilizer and, more specifically, to a controlled release fertilizer comprising a photodecomposable capsule and a fertilizer, which is contained in a space encompassed by the photodecomposable capsule, the photodecomposable capsule comprising: a binder resin comprising a polyolefin and an ethylene-vinyl acetate copolymer; and a photocatalyst composite in which a surfactant having an HLB value of 1-6 is coupled to the surface or the inside of aggregates of inorganic microparticles. |