Uji Beberapa Konsentrasi Tepung Daun Sirih Hutan (Piper aduncum L.) Untuk Men…

Rice (Oryzae sativa L.) is one of the main staple food in Indonesia. The are many factors that affect the level of production is very important to note. Rice production in the province of Riau year in 2011 – 2012 has decreased production of 53,578 tons to 45,434 tons. This is because of golden sanil pest (Pomacea sp.). Control efforts undertaken by farmers is the use of synthetic chemical pes…