Asperlin consists of natural Aspergillus spp. It grows in fermented koji extract that is rich in protein and consists of free form of amino acids, minerals, enzymes, vitamins, fibers and other nutrients. This fertilizer is suitable as a standalone soil nutrient or as an additive mixed with other fertilizers such as hydrolysed fish. Asperlin produces proteins, amino acids, vitamins, minerals, proteolytic enzymes (Cellulose, Hemicellulose, Chitinase, Amylase, Pectinase, Protease), hormones and other nutrients.