Abstract. Ernawati A, Abdullah L, Permana IG, Karti PDMH. 2023. Morphological responses, biomass production and nutrient of Pennisetum purpureum cv. Pakchong under different planting patterns harvesting ages. Biodiversitas 24: 3439-3447. Napier grass is one the most popular grasses in tropical subtropical regions a promising forage crop due to its high production, nutritional quality wide-range...