From producing high-quality potatoes to shallots, PT Pupuk Kalimantan Timur’s (Kaltim) newest product provides the best of both chemical and natural fertilizer. The NPK Pelangi JOS is the first innovation of its kind in Indonesia. According to Rahmad Pribadi, President Director of PT Pupuk Kaltim, the product contains the nutrients nitrogen, phosphorus, and potassium, enriched […]