At present, there are many kinds of microorganisms that farmers used in agriculture. By utilization of antagonist to control the disease is the most popular way which bacteria infections arise Bacillus group is popular. Because the features several reasons. These microorganisms are produced in various forms. The problem is of quite overwhelming. Carrier materials for experiment study tapioca starch, talcum and rice flour, in the form of powder at room temperature and baking temperature 50 ๐C
To develop a model of product powder of Bacillus subtilis into easy to farmers to use convenient to pack and transport.