At first, plant pest control carried in PT Riau Sakti United Plantations-Perkebunan used insecticides, fungicides, and herbicides, which are classified as pesticides. Thus PT Riau Sakti United Plantations-Perkebunan team tried to create a balance & natural ecosystem by abandoning the use of pesticides. PT Riau Sakti United Plantations-Perkebunan gradually reduced the use of chemicals, then the team began to switch into biological pest control by trying to breed the natural enemies of the caterpillar pests, namely Sicanus and eocanthecona. This efforts is one of the way our company try to maintain the balance of the existing ecosystem. We always putting forward out green steps as a manifestation of the company’s concern for environmental conservation.