Echague, Isabela-a total of the 230 students for the Fourth year Grade 7 of Don Mariano Marcos National High School attended the Seminar-workshop on Tissue Culture of Mushroom last September 16, 2014 at Don Mariano Amphitheater conducted by Mr. Joselito Santos as part of their enhancement activity on the Techniques of Biotechnology Mushroom. The activity continue reading : School based-Science Seminar on Mushroom Culture