This invention relates to a storage stable fertiliser composition in the form of pellets or granules comprising an organic fertiliser in admixture with a water absorbent polymer. This invention also relates to a process for producing a storage stable fertiliser composition, the process comprising: i) mixing an organic fertiliser and a water absorbent polymer to form a mixture; ii) pelletising or granulating the mixture; and iii) drying the pellets or granules for a time and under conditions sufficient to form a storage stable fertiliser composition.