From studying the effects of using agricultural raw materials instead potato in making PDA found that PDA made from Taro, S. cerevisiae can grow and count the number of yeast close to PDA made from Potato the most. The second is PDA made from Jackfruit seed. So we can use Taro and Jackfruit seed instead Potato to make PDA. However the results of the experiment that we get is the only data from studying by growing S. cerevisiae, if we use another microorganisms may effect to the growth in different way.