Uji Beberapa Konsentrasi Sisa Panen Jahe Merah (Zingiber Officinale Var. Rubr…

ABSTRACT Corn is the second food crop after rice which contains carbohydrates, protein, oil, water, vitamins and thiamine. Corn is also used as animal feed ingredients and industrial raw materials. Efforts to increase maize are still experiencing problems, including pests and diseases in the field. The main pest that attacks corn plants is Spodoptera frugiperda. S. frugiperda pest control ca…