Pengaruh Penambahan Surfaktan Dalam Ekstrak Daun Sirih Hutan (Piper Aduncum L…

Spodoptera litura is main pest destroyer leaves of soybean leaves. As an alternative replacement of synthetic insecticides is bioinsecticides by utility basic ingredients from plant that are easy find such as Piper aduncum L.. The purpose of the research is to find out of a better surfactants concentration which can enhance the effectiveness of Piper aduncum L. extract below 10% which is the co…