The present invention discloses a method of preparing a controlled-release nitrogen, phosphorus and potassium (NPK) compound fertilizer. The method comprises steps of preparing a PLA biopolymer at a predefined concentration between 5-15 %w/v by…

The FaST LaB development of innovation and commercialization of Science Educational Kit is to help inspire and create deeper interest in problem solving techniques with the idea of fostering creativity that allows youngsters to be innovative and…